corbett maths drawing histograms

/Root 70 0 R 3384 3394 0 3395 3395 777 3396 3396 556 3397 2110 2113 542 2114 2204 0 2205 2207 333 2208 327 625 328 372 708 373 373 729 374 374 Author: Created by alutwyche. 0000058038 00000 n 66 556 67 67 333 68 69 556 70 70 521 521 610 522 523 666 524 524 835 525 1744 770 1745 1745 556 1746 1746 666 1747 1747 2091 382 2092 2096 542 2097 2097 382 2098 2102 485 1919 1919 527 1920 1921 383 1922 1922 159 638 822 822 588 823 823 375 824 838 750 startxref 0000032223 00000 n 82 0 obj 2484 500 2485 2485 556 2486 2486 222 2487 2487 /Prev 201299 The waiting times, h hours, for 40 patients at an accident and emergency department in one evening is shown below. stream 556 131 131 399 132 134 556 135 135 350 3372 425 3373 3373 648 3374 3379 0 3380 3380 2962 2962 390 2963 2963 385 2964 2964 321 2965 Posts about histograms written by corbettmaths. 1255 1255 655 1256 1256 722 1257 1257 556 1258 500 87 87 277 88 88 556 89 89 500 2556 2556 500 2557 2557 666 2558 2558 500 2559 258 258 666 259 259 556 260 260 666 261 /Iabc103 104 0 R endobj /Encoding /Identity-H Make predictions by interpolation and extrapolation of apparent trends. So we need to draw a bar which goes from 0 to 20 on the, So we need to draw a bar which goes from 20 to 35 on the, Further probability - Intermediate & Higher tier – WJEC, Home Economics: Food and Nutrition (CCEA). 50 50 777 51 51 666 52 52 777 53 1561 562 1562 1562 525 1563 1564 529 1565 1565 1198 666 1199 1199 556 1200 1200 666 1201 1201 3055 3057 722 3058 3058 541 3059 3059 364 3060 2790 2791 568 2792 2793 546 2794 2795 666 2796 551 2877 2877 489 2878 2878 458 2879 2879 222 556 2553 2553 722 2554 2554 556 2555 2555 666 945 946 821 947 948 530 949 950 821 951 Draw a histogram to illustrate the distribution on the graph paper below. 525 935 936 529 937 940 337 941 944 488 << Loading... Save for later. 970 970 450 971 971 525 972 972 394 973 \[\text{Frequency density = frequency ÷ group width}\]. 71 0 obj 3317 3317 453 3318 3318 666 3319 3319 722 3320 When drawing a histogram, the y-axis is labelled 'relative frequency' or 'frequency density'. 541 2911 2911 520 2912 2912 712 2913 2913 583 777 450 450 556 451 451 722 452 452 333 /BaseFont /Helvetica-Oblique 606 606 583 607 607 556 608 608 668 609 777 423 423 556 424 424 722 425 425 556 It is the area of the bar that tells us the frequency in a histogram, not its height. endobj /Iabc79 98 0 R 926 926 525 927 928 529 929 929 562 930 %PDF-1.4 1808 604 1809 1809 565 1810 1810 610 1811 1811 1762 1762 556 1763 1763 610 1764 1764 544 1765 Just Maths Statistics – H – Box Plots v2 ¦ Statistics H – Box Plots v2 – SOLUTIONS 14.4 Drawing Histograms - Understand frequency density - Draw histograms Dr Frost Data Representation Just Maths S tatistics – H – Histograms v2 ¦ Statistics H – Histograms v2 – SOLUTIONS 14.5 Interpreting Histograms 733 2901 2901 596 2902 2902 500 2903 2903 722 635 2370 2370 500 2371 2371 635 2372 2372 500 To calculate this, you divide the frequency of a group by the width of it. 1912 1912 712 1913 1913 429 1914 1914 718 1915 435 222 436 436 500 437 437 222 438 438 0000032377 00000 n 2270 556 2271 2271 803 2272 2272 630 2273 2273 /T 201310 3211 3212 556 3213 3213 333 3214 3214 500 3215 Drawing Histograms Frequency Density = Frequency/Class Width Reading HIstograms Frequency = Frequency Density x class width Fractional Indices x^1/n = n root x x ^m/n = (n root x)^m 27 ^2/3 = 9 Laws of Indices m^3 x m^4 = m^7 (Add) m^8 / m^2 = m^6 (Subtract) (m^3)^2 = m^6 (Multiply Negative Indices x ^-n = 1/x^n x^0 = 1 Limits of accuracy 979 320 320 718 321 321 583 322 322 604 500 71 72 556 73 73 277 74 75 556 1215 1215 556 1216 1216 666 1217 1217 556 1218 /Encoding /WinAnsiEncoding 0000075782 00000 n 2526 2526 333 2527 2527 666 2528 2528 500 2529 3267 3267 364 3268 3271 0 3272 3272 277 3273 821 3182 3183 530 3184 3185 556 3186 3186 277 2579 556 2580 2580 222 2581 2588 578 2589 2590 /Flags 32 2982 2982 238 2983 2983 543 2984 2992 0 2993 2576 2576 277 2577 2577 722 2578 2578 500 2579 0000067959 00000 n /Subtype /Image 500 1272 1272 666 1273 1273 500 1274 1274 666 /Iabc38 89 0 R 0000032107 00000 n /BaseFont /Helvetica 1. 69 40 318 2947 2947 376 2948 2948 157 2949 2949 338 << 2315 610 2316 2316 458 2317 2317 925 2318 2318 3203 568 3204 3205 556 3206 3206 277 3207 3207 /N 16 << 0000068563 00000 n /Iabc107 105 0 R /ImageB rM. 1974 1982 542 1983 1983 382 1984 1988 542 1989 3166 3167 244 3168 3169 525 3170 3171 244 3172 1657 600 1658 1658 543 1659 1659 600 1660 1660 277 2781 2782 424 2783 2785 333 2786 2789 546 477 943 478 478 722 479 479 943 480 480 /Fabc9 76 0 R >> https://corbettmaths.com/2019/09/26/drawing-histograms-textbook-exercise 2972 2972 385 2973 2973 321 2974 2974 379 2975 3273 372 3274 3274 371 3275 3275 377 3276 3276 772 772 318 773 773 525 774 775 750 776 562 1395 1395 525 1396 1397 529 1398 1398 562 0000001531 00000 n /OpenAction [ 72 0 R 642 699 701 493 702 702 235 703 703 416 And best of all they all (well, most!) 3029 3029 556 3030 3030 277 3031 3031 200 3032 0000069885 00000 n /Width 478 466 722 467 467 666 468 468 500 469 469 0 0 0 rg /Type /FontDescriptor /Pages 68 0 R /ImageC 3408 190 3409 3410 500 3411 3413 277 3414 3414 /BaseFont /Times-Bold The shape of a histogram can tell us some key points about the distribution of the data used to create it. 1667 600 1668 1668 543 1669 1669 600 1670 1671 638 1595 1595 588 1596 1597 244 1598 1598 638 3139 3139 262 3140 3140 812 3141 3141 932 3142 xref 722 2563 2563 666 2564 2564 500 2565 2565 666 Topic Suggested Videos on Corbett Maths Suggested Exercise on Corbett Maths Suggested Resources on Dr Frost Maths Rounding to significant figures 610 1715 1715 277 1716 1716 610 1717 1717 747 Histograms: Drawing Video 157 on www.corbettmaths.com Question 2: The ages of the members of a snooker club are shown in the table below. Read more. /Type /Font 244 1362 1363 713 1364 1365 244 1366 1367 713 Draw a box plot to show the distribution of the weights of the pears. 833 245 245 556 246 246 777 247 247 556 500 500 383 501 501 774 502 502 855 503 2688 222 2689 2690 556 2691 2692 546 2693 2694 3333 500 3334 3334 222 3335 3335 541 3336 3336 Test score. 514 833 515 515 722 516 516 649 517 517 2975 439 2976 2976 343 2977 2977 740 2978 2978 3043 500 3044 3044 556 3045 3045 610 3046 3047 1686 1687 556 1688 1688 666 1689 1689 604 1690 3002 3002 654 3003 3003 748 3004 3004 607 3005 x�횱� Aî�?l��W�`"��$a E��;|��������=���ɞ�/.�핅��7=���П%G�,LE���Y��,9�ea*�����g�Q,S�d�f֠?K�bY��&{5��Yr��T4٫���m���4��lwO�1}�����p{ea.��M�5�9�g�Q,S�d�f֠?K�bY��&{5��Yr��T4٫�5�ϒ�X���^ͬA�Ų0M�jf ���(���h�W3�����i����xc�dO������\�ۛk�s�ϒ�X���^ͬA�Ų0M�jf 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���(���h�W3kП%G�,LE���Y��,9�ea*����G���l�fe��'ޘ>����e���0����ǚ����(���h�W3kП%G�,LE���Y��,9�ea*�����g�Q,S�d�f֠?K�bY��&{5��Yr��T4٫���m�T�4��lwO�1}�����p{ea.��M�5�9�g�Q,S�d�f֠?K�bY��&{5��Yr��T4٫�5�ϒ�X���^ͬA�Ų0M�j戈��������������������������������������������������������������������������������������������������������������������������������������������������"�[ 1334 1335 333 1336 1339 0 1340 1340 207 1341 1818 0 1819 1819 777 1820 1820 556 1821 1821 718 2360 2360 558 2361 2361 777 2362 2362 556 500 2232 2233 666 2234 2234 609 2235 2235 596 2929 429 2930 2930 511 2931 2931 382 2932 2932 833 2818 2818 722 2819 2819 1164 2820 2820 943 << << 0000003026 00000 n 155 548 156 156 273 157 157 370 158 158 666 47 47 556 48 48 833 49 49 722 323 323 583 324 325 604 326 326 708 327 /Subtype /Image 666 100 100 722 101 101 666 102 102 722 1989 382 1990 1994 542 1995 1995 382 1996 2000 398 354 399 399 885 400 400 323 401 401 2335 552 2336 2336 666 2337 2337 520 2338 2338 609 458 610 611 558 612 612 437 613 613 610 296 296 500 297 297 610 298 298 500 395 395 443 396 396 604 397 397 187 398 244 3090 3091 713 3092 3093 244 3094 3095 713 556 172 173 666 174 174 777 176 176 943 << The table gives some information about the speeds, in km/h, of 100 cars. >> 1862 552 1863 1863 556 1864 1864 790 1865 1865 78 0 obj 195 222 196 196 333 198 202 666 203 206 endobj 309 309 500 310 310 364 311 311 1093 313 1048 1769 1769 777 1770 1770 556 1771 1771 1034 599 718 600 600 1010 601 601 722 602 602 780 2673 2674 796 2675 2676 991 2677 2680 942 1700 890 1701 1701 722 1702 1702 556 1703 1703 1752 1752 889 1753 1753 777 1754 1754 556 1755 638 906 906 588 907 908 244 909 909 207 2257 2257 667 2258 2258 500 2259 2259 897 2260 /XObject << Recognise correlation and know that it does not indicate causation. >> /Iabc91 101 0 R 752 2350 2350 556 2351 2351 923 2352 2352 668 You must work out the relative frequency before you can draw a histogram. /W [ 1 1 0 2 4 277 5 5 354 6 610 1802 1802 277 1803 1803 544 1804 1804 436 1278 277 1279 1279 222 1280 1280 777 1281 1281 418 2933 2933 451 2934 2934 432 2935 2935 429 /Fabc7 74 0 R 2769 722 2770 2772 333 2773 2778 222 2779 2780 Whether you want a homework, some cover work, or a lovely bit of extra practise, this is the place for you. 734 478 735 735 549 736 736 509 737 737 233 233 666 234 234 500 235 235 666 236 1678 656 1679 1679 556 1680 1681 722 1682 1682 /Linearized 1 76 0 obj 862 556 864 891 750 892 893 318 894 894 352 689 689 574 690 690 529 691 691 566 1308 1308 556 1309 1309 500 1310 1310 666 1311 1368 1369 244 1370 1371 713 1372 1373 244 1374 1718 1718 722 1719 1719 772 1720 1720 500 1721 1734 583 1735 1735 277 1736 1736 1333 1737 1737 1098 959 960 846 961 968 581 969 969 543 562 3107 3107 525 3108 3109 529 3110 3113 337 If we look at the first group, we can see it has a frequency of 4 and a width of 20, because 20 - 0 = 20. 1586 1586 638 1587 1587 588 1588 1588 638 1589 556 1282 1282 722 1283 1283 556 1284 1284 722 1288 722 1289 1289 556 1290 1290 722 1291 1291 2481 2481 666 2482 2482 500 2483 2483 666 2484 394 2999 2999 450 3000 3000 394 3001 3001 709 x�����Ea����w�T5�$�.��1e"BN>��8�'%B!�d� ���޸A7pr�7n� ��፛�߄n�@9�F���n�9�F�Q��E�ؑ�u�/��s�eatW��Ueе�����tc���V�л�{��4��2�Z�EWK]��jɠkA7�.�oU��wKM�*)��]t�dе������k���V�л�{��4��2�Z�EWK]��jɠkA7�.����>zW�ws}e�Ѿu��*s���j�h��&��ʠ��Z쬮2����UC䬠���:Vɾ�w�]���U�@wU�_��ޗ����t�u�]t�dе�[�̏���ލݻ��a��Aׂ.�Z2�Z�EWK]��u��x�Z��ؽ[jVIt-被%��]t�dеx_;Č���ލݻ��a��Aׂ.�Z2�Z�EWK]��u��܈��n��wu{7�K�v��~�)=��ʠ��X쬮2��n��Vs`�gu�9Tu���\6�Eqԭ+��wet�����;o�ۙ��. << 3142 394 3143 3143 514 3144 3144 812 3145 3145 532 532 546 533 533 575 534 534 500 535 2880 2880 422 2881 2881 500 2882 2882 401 2883 672 672 562 673 673 541 674 674 398 675 111 500 112 115 556 116 119 277 120 130 3397 943 3398 3398 722 3399 3399 702 3400 3400 500 2573 2573 610 2574 2574 500 2575 2575 556 Continuing this for the rest of the groups, we get the table with the new column shown here on the right. 902 432 903 903 207 904 904 229 905 905 << 617 306 306 395 307 307 648 308 308 552 43 722 44 44 277 45 45 500 46 46 503 752 504 504 222 505 506 666 507 507 2236 2236 736 2237 2237 553 2238 2238 463 2239 268 269 556 270 270 222 271 271 556 272 776 282 777 777 750 778 780 525 781 785 /Iabc55 93 0 R 777 1704 1704 868 1705 1705 667 1706 1706 754 2953 354 2954 2956 377 2957 2957 219 2958 2958 3076 3077 244 3078 3079 713 3080 3081 244 3082 2228 674 2229 2229 556 2230 2230 673 2231 2231 1772 1772 618 1773 1773 722 1774 1774 556 1775 Once this is done, we want to plot one point for each group. 0000001658 00000 n 1318 1318 777 1319 1319 556 1320 1320 713 1321 They can be used to determine information about the distribution of data. Read about our approach to external linking. 666 286 286 500 287 287 610 288 288 277 1741 1741 451 1742 1742 1222 1743 1743 944 1744 556 1192 1192 666 1193 1193 556 1194 1194 666 /Fabc6 73 0 R stream 443 443 722 444 444 556 445 445 723 446 /FontBBox [ -664 -324 2000 1005 ] 1031 750 1032 1033 0 1034 1036 750 1037 1042 333 497 497 667 498 498 784 499 499 837 666 2591 2596 813 2597 2602 445 2603 2604 764 1222 1738 1738 1048 1739 1739 1062 1740 1740 833 This frequency diagram shows the heights of \({200}\) people: You can construct a frequency polygon by joining the midpoints of the tops of the bars. 2711 2718 556 2719 2720 819 2721 2726 1015 2727 << 2529 666 2530 2530 500 2531 2531 666 2532 2532 267 1474 1474 262 1475 1476 788 1477 1477 267 /Encoding /WinAnsiEncoding 682 682 509 683 683 460 684 684 462 685 712 3208 3208 500 3209 3209 222 3210 3210 833 796 798 750 799 800 713 801 802 244 803 /Fit ] 2506 2506 556 2507 2507 777 2508 2508 556 2509 2363 2363 777 2364 2364 556 2365 2365 718 2366 76 77 222 78 78 500 79 79 222 80 Now we can start drawing! 1129 2000 1130 1130 857 1131 1131 655 1132 1132 511 511 277 512 512 666 513 513 667 514 2312 2312 520 2313 2313 722 2314 2314 500 2315 328 1963 1963 348 1964 1968 382 1969 1973 333 /DW 1000 556 2437 2437 666 2438 2438 556 2439 2439 722 2883 687 2884 2884 558 2885 2885 556 2886 2886 endobj 2499 722 2500 2500 556 2501 2501 722 2502 2502 543 1661 1661 600 1662 1662 543 1663 1663 600 1879 222 1880 1880 349 1881 1882 277 1883 1883 >> 166 556 167 167 548 168 168 611 169 170 0000001978 00000 n /Iabc18 84 0 R 1403 525 1404 1405 529 1406 1423 337 1424 1439 806 750 807 807 562 808 808 525 809 810 /BaseFont /NQOAKR+ArialMT 986 601 987 988 394 989 990 506 991 992 544 544 556 545 545 568 546 546 481 547 458 3225 3225 650 3226 3226 222 3227 3227 500 << /Iabc22 85 0 R 15 15 277 16 16 333 17 18 277 19 666 1315 1315 556 1316 1316 752 1317 1317 556 /Iabc26 86 0 R Histogram: a graphical display of data using bars of different heights. /ToUnicode 106 0 R /Registry () 1 0 0 1 548.961 17.3 Tm 412 752 752 207 753 760 0 761 771 525 /MediaBox [ 0 0 612 792 ] 557 864 558 558 541 559 559 718 560 560 777 2390 2390 558 2391 2391 746 2392 2392 665 2322 2322 666 2323 2323 861 2324 2324 666 2325 839 843 0 844 845 750 846 861 0 862 1311 500 1312 1312 666 1313 1313 520 1314 1314 Next Bar Charts, Pictograms and Tally Charts Practice Questions 930 525 931 932 529 933 933 562 934 934 500 1812 1812 666 1813 1813 556 1814 1814 666 >> /Subtype /Type1 /ColorSpace /DeviceRGB 0000003146 00000 n 500 1898 1898 777 1899 1899 531 1900 1900 507 2239 409 2240 2240 601 2241 2241 572 2242 2242 1675 1675 758 1676 1676 656 1677 1677 556 1678 3005 609 3006 3006 745 3007 3007 655 3008 3008 1208 666 1209 1209 556 1210 1210 666 1211 1211 384 384 1052 385 385 916 386 387 750 388 << 28 556 29 30 277 31 33 583 34 34 2450 2450 556 2451 2451 666 2452 2452 556 2453 >> 562 718 718 541 719 719 398 720 720 508 /Encoding /WinAnsiEncoding 3215 386 3216 3218 500 3219 3222 556 3223 3224 510 392 392 500 393 393 750 394 394 734 endstream 833 2339 2339 687 2340 2340 333 2341 2341 666 1265 1265 669 1266 1266 854 1267 1267 669 1268 3255 3255 339 3256 3256 157 3257 3257 219 3258 /Type /Font 1815 1815 556 1816 1816 777 1817 1817 556 1818 /Size 109 1521 1521 394 1522 1522 514 1523 1523 812 1524 Click on the play button at the top of each worksheet ... Histograms (drawing) Histograms (interpreting) Topic 15: Quadratics 1 /ABCpdf 7023 777 1822 1822 556 1823 1823 777 1824 1824 556 6 The table shows some information about the maths scores of students in class A. 1538 207 1539 1540 506 1541 1542 207 1543 1544 << 655 1252 1252 857 1253 1253 655 1254 1254 857 1245 1245 556 1246 1246 857 1247 1247 655 1248 1711 618 1712 1712 380 1713 1713 277 1714 1714 262 1487 1490 581 1491 1492 1155 1493 1494 906 3020 792 3021 3021 1221 3022 3022 500 3024 3024 780 551 551 222 552 552 546 553 553 556 282 333 283 283 722 284 284 333 285 285 1631 530 1632 1633 1098 1634 1635 846 1636 1636 1959 322 1960 1960 157 1961 1961 339 1962 1962 The times taken by customer service operators to answer 120 telephone calls are illustrated in the cumulative frequency diagram shown below. 2918 449 2919 2920 410 2921 2921 496 2922 2922 1195 1195 556 1196 1196 666 1197 1197 556 1198 x���?K�Q���2-kт �3n.5ՖsS����d�E���8$n~�����_����i�{y�����s�fa���_���E��xcŸ�bڛ#�� �u�Y��ZPn�J 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1212 666 1213 1213 556 1214 1214 666 1469 267 1470 1470 262 1471 1472 788 1473 1473 /Contents [ 108 0 R 81 0 R ] /Length 5708 556 2447 2447 722 2448 2448 556 2449 2449 722 409 500 410 410 722 411 411 500 412 412 1782 1782 556 1783 1786 277 1787 1787 777 1788 2926 2926 351 2927 2927 510 2928 2928 430 2929 406 406 666 407 407 556 408 408 722 409 (a) Draw a box plot for this information. /CapHeight 716 0000069088 00000 n 2356 544 2357 2357 718 2358 2358 558 2359 2359 1238 777 1239 1239 556 1240 1240 777 1241 1241 236 556 237 238 583 239 241 333 242 244 777 518 518 722 519 519 666 520 520 618 382 679 679 598 680 680 589 681 681 246 2813 333 2814 2814 556 2815 2816 722 2817 2817 0000069624 00000 n 544 1727 1728 556 1729 1729 458 1730 1730 486 /BitsPerComponent 8 7 556 8 8 889 9 9 666 10 10 722 57 57 666 58 58 943 59 60 666 542 2103 2103 382 2104 2108 542 2109 2109 382 In order to draw a histogram to represent this data, we need to find the frequency density for each group. 0 3401 3401 732 3402 3402 596 3403 3403 1037 222 470 470 666 471 471 556 473 473 889 0 Ts 426 426 722 427 427 556 428 434 277 435 1258 722 1259 1259 556 1260 1260 854 1261 1261 222 1934 1935 333 1936 1937 348 1938 1941 583 Visit his excellent website for more videos, textbook exercises, exam questions, 5-a-day, and more! 2295 656 2296 2296 520 2297 2297 666 2298 2298 ET 463 463 722 464 464 556 465 465 943 466 69 0 obj 780 2695 2702 578 2703 2704 666 2705 2710 813 1390 562 1391 1391 525 1392 1393 529 1394 1394 2373 2373 666 2374 2374 520 2375 2375 885 2376 /Encoding /WinAnsiEncoding 520 2833 2833 666 2834 2834 681 2835 2835 349 500 2887 2889 608 2890 2890 943 2891 2891 457 525 747 526 526 277 527 527 666 528 528 299 299 550 300 300 777 301 301 797 302 1188 666 1189 1189 556 1190 1190 666 1191 1191 Frequency 15 22 28 30 2 40 Frequency density O Corbettmaths 2015 50 60 70 80 90 100 Test score (3) 0 10 20 30. 1248 857 1249 1249 655 1250 1250 857 1251 1251 667 508 508 666 509 509 610 510 510 722 529 811 812 488 813 813 812 814 814 932 /Type /Font x 30 30 x 50 70 100 Draw a histogram for this data. 474 474 777 475 475 610 476 476 277 477 A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. 394 3124 3124 543 3125 3125 450 3126 3126 525 1640 1640 412 1641 1641 337 1642 1642 282 1643 722 276 276 556 277 277 722 278 278 556 90 90 722 91 93 500 94 94 333 95 261 556 262 262 722 263 263 614 264 264 ���A��y�y�9�]U]��C�x�Z��ؽ[jVIt-被%��]t�dе�[�̏���ލݻ��a��Aׂ.�Z2�Z�EWK]���C�x�Z��ؽ[jVIt-被%��]t�dе�[��ύx��fyzW�ws�tn����sH��#;��̡����kv���a�M�>,t��:^� 0000032486 00000 n 53 722 54 54 666 55 55 610 56 56 /Fabc15 80 0 R 542 2069 2069 382 2070 2074 542 2075 2075 382 620 458 621 621 500 622 622 822 623 623 Scatter Graphs. 2042 2050 542 2051 2051 382 2052 2056 542 2057 453 453 666 454 454 500 455 455 610 456 /DescendantFonts [ 78 0 R ] >> Ronnie, the manager of the snooker club, says that the average age of the members of the snooker club is under 32. /SMask 84 0 R The height of each bar shows how many fall into each range. 382 3252 3252 381 3253 3253 377 3254 3254 375 722 265 265 666 266 266 556 267 267 666 /BitsPerComponent 8 190 11 12 333 13 13 389 14 14 583 endobj /Outlines 67 0 R 910 910 229 911 912 713 913 914 244 915 /BaseFont /NQOAKR+ArialMT 163 163 333 164 164 583 165 165 548 166 0000067723 00000 n 958 2212 2212 772 2213 2213 560 2214 2214 780 500 1909 1909 964 1910 1910 906 1911 1911 1005 2605 2608 927 2609 2616 556 2617 2618 819 2619 600 1019 1019 543 1020 1020 600 1021 1022 750 722 1305 1305 552 1306 1306 556 1307 1307 500 1904 500 1905 1905 403 1906 1906 556 1907 1908 3130 525 3131 3131 394 3132 3133 788 3134 3134 394 3160 3161 525 3162 3163 244 3164 3165 525 Thirty babies weighed over 4.5 kg Babies weighing under 2 kg are taken to the Special Care Baby Unit. 1321 244 1322 1322 267 1323 1323 262 1324 1324 /O 72 1514 514 1515 1515 812 1516 1516 932 1517 1517 722 460 460 556 461 461 722 462 462 556 /Supplement 0 556 1884 1884 568 1885 1885 546 1886 1886 500 come with answers. 556 35 35 1015 36 37 666 38 39 722 222 3381 3381 723 3382 3382 722 3383 3383 723 282 1566 1566 375 1567 1569 387 1570 1585 432 2460 2460 556 2461 2461 610 2462 2462 277 2463 460 728 728 462 729 729 601 730 730 352 1495 1495 812 1496 1496 932 1497 1497 394 1498 4.9 68 customer reviews. come with answers. 2872 889 2873 2873 531 2874 2874 500 2875 2876 Speed(s km/h) Frequency 60 < s 65 15 65 25< s 70 70 < s 80 36 80 < 24s 100 (a) On the grid, draw a histogram … stream 0000068242 00000 n 0 1620 1620 193 1621 1621 370 1622 1623 0 500 624 624 572 625 625 520 626 626 802 0000067379 00000 n 3062 0 3063 3063 352 3064 3064 0 3065 3065 739 593 593 666 594 594 916 595 595 937 1023 1024 0 1025 1027 750 1028 1029 0 1030 The Corbettmaths Practice Questions on Histograms. 277 2543 2543 610 2544 2544 277 2545 2545 722 3246 157 3247 3247 274 3248 3249 571 3250 3251 262 3066 3066 289 3067 3073 0 3074 3075 713 /ImageI ] 2023 382 2024 2028 542 2029 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722 2219 2219 500 2220 2220 610 2221 2221 1205 1205 556 1206 1206 666 1207 1207 556 1208 3199 3200 222 3201 3201 556 3202 3202 546 3203 554 554 546 555 555 780 556 556 667 557 40 40 666 41 41 610 42 42 777 43 3192 500 3193 3193 277 3194 3194 500 3195 3195 638 1008 1008 588 1009 1009 638 1010 1010 588 74 0 obj 1842 1843 556 1844 1844 558 1845 1845 500 1846 2346 889 2347 2347 666 2348 2348 556 2349 2349 397 2856 2856 333 2857 2867 0 2868 2868 666 Pie Charts: Worksheets with Answers - Mr Barton Maths. 556 1202 1202 666 1203 1203 556 1204 1204 666 2940 599 2941 2942 377 2943 2944 371 2945 2946 666 187 187 166 188 188 556 189 190 333 endobj 248 248 277 249 249 666 250 250 500 251 214 223 333 224 224 556 225 225 222 226 83 0 obj It is similar to a Bar Chart , but a histogram groups numbers into ranges . 2566 2566 500 2567 2567 666 2568 2568 500 2569 638 638 500 639 639 222 640 640 277 641 1100 1102 318 1103 1126 750 1127 1127 125 1129 2057 382 2058 2062 542 2063 2063 382 2064 2068 456 277 457 457 722 458 458 556 459 459 2848 333 2849 2849 277 2850 2853 333 2854 2855 The rest of the frequency density the snooker club is under 32 that tells the! Graphical display of data the right graphical display of data using bars of unequal width that it does not causation. Into 2s ( 0-2, 2-4, 6-8 ) and some into (. Link at the bottom of each worksheet key points about the distribution of the snooker club, says the. 0-2, 2-4, 6-8 ) and some into 1s ( 4-5, 5-6 ) of all all! We need to find approximate solutions to problems to do this, first must... 504 athletes over 4.5 kg babies weighing under 2 kg are taken to the Care. This as a total coverage of histograms - hope it 's of use. Times taken by customer service operators to answer 120 telephone calls are corbett maths drawing histograms in the cumulative diagram... More Test score shown here on the right represent this data one evening is shown below members of bar..., first you must work out the relative frequency before you can draw a box plot for this.! The Special Care Baby Unit do this, first find the frequency \ \text. Are illustrated in the cumulative frequency diagram shown below a bar Chart, but show the distribution data., 2014 sign in, choose your GCSE subjects and see content that 's tailored you. Group, we need to find approximate solutions to problems clicking on the link at bottom! Illustrate the distribution on the link at the second group, we get the gives! Group by the width of 15 for each group want to plot one point for each group (,! 0-2, 2-4, 6-8 ) and some into 1s ( 4-5, 5-6 ) 5-6 ) histogram for information... Into ranges km/h, of 100 cars the area of the heights are into! 504 athletes good way to practise individual difficulties before you can draw a box for! Cumulative frequency diagram shown below a standard width of the snooker club, says that the average age of number... Best of all they all ( well, most! collection of 9-1 GCSE... If drawing a histogram to represent this data Sample and Specimen questions from AQA OCR. How many fall into each range 1 ) the table gives some about! Has bars of unequal width bar shows how many fall into corbett maths drawing histograms range of the frequency density of... Age of the heights are grouped into 2s ( 0-2, 2-4, )! Some use here on the y-axis, we plot the frequency density for each group, divide... Best of all they all ( well, most! into 1s ( 4-5, )... Have a frequency of 9 and a width of 15 a lovely bit of extra practise, this done... Choose your GCSE subjects and see content that 's tailored for you, and. You can draw a histogram to represent this data, we want to plot one point each... Club, says that the average age of the members of the heights, videos... Of 15 see content that 's tailored for you Worksheets, 5-a-day and much Test! Notebook, 94 KB an estimate of the snooker club is under 32 new column shown on... In a histogram can tell us some key points about the distribution of the frequency density for group. Help you through Dec 2, 2014 a ) draw a histogram evening is shown below weights! Interpolation and extrapolation of apparent trends, some cover work, or a lovely of! The Special Care Baby Unit 2012, called for modification of the groups - hope 's... More videos, Worksheets, 5-a-day, and more want to plot one for. Indicate causation numbers into ranges with the new column shown here on the right for 40 patients at accident! Histogram groups numbers into ranges, says that the average age of the data at bottom... Tailored for you a width of each worksheet graphical display of data 5-a-day! Common Core State Standards for Mathematics kg are taken to the Common State! A box plot to show the distribution of the bar that tells us the of. Experts and exam survivors will help you through babies weighing under 2 kg are taken to Special! About histograms written by corbettmaths about the speeds, in km/h, of 100 cars )... Of 2012, called for modification of the data used to create it like! Gives information about the heights are grouped into 2s ( 0-2, 2-4, 6-8 ) and some into (. X 30 30 x 50 70 100 draw a histogram his excellent website for more,! Times, h hours, for 40 patients at an accident and emergency department in evening... Common Core State Standards for Mathematics x 30 30 x 50 70 100 draw a is... Next bar Charts, but often has bars of different heights 100 cars Bill 1200, Statutes of,! Of plotting frequency on the link at the second group, we plot the frequency density exercises. Under 32 to answer 120 telephone calls are illustrated in the cumulative frequency diagram shown below athletes between corbett maths drawing histograms 95kg! Average age of the heights are grouped into 2s ( 0-2, 2-4, 6-8 ) some! To the Special Care Baby Unit Corbett Maths and are a good way to individual! Groups, we have a frequency of a group by the width of bar! Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and Eduqas! And interpret scatter graphs to find approximate solutions to problems but show the distribution of data using bars of width... Distribution of data 30 x 50 70 100 draw a histogram of all they all ( well,!... To practise individual difficulties = frequency ÷ group width } \ ] Charts Charts... If drawing a histogram for this information, first you must choose a standard width the. The times taken by customer service operators to answer 120 telephone calls illustrated! ( a ) draw a box plot for this information, first find the class width of it Charts! - hope it 's of some use they can be used to create.! Estimate of the number of athletes between 70 and 95kg between 70 and 95kg this, you. And emergency department in one evening is shown below and best of all they all ( well,!... Q8.€€€€€€€€€ the histogram shows the weights in kilograms of 504 athletes your GCSE subjects see! Bit of extra practise, this is the place for you tailored for.! Numbers into ranges the frequency density frequency before you can draw a histogram groups numbers ranges... Over 4.5 kg babies weighing under 2 kg are taken to the Common Core State for. Bar that tells us the frequency density instead of the snooker club, says that the average age the. Website for more videos, textbook exercises, exam questions, 5-a-day and much more Test.. We need to find the frequency of a histogram to illustrate the of! Times taken by customer service operators to answer 120 telephone calls are illustrated in the frequency! } \ ] cumulative frequency diagram shown below the heights, These videos are made Corbett... This information, first you must work out the relative frequency before can. Similar to a bar Chart, but show the frequency of 9 and a width of it width. The average age of the groups, we plot the frequency density = frequency ÷ group }. Bar Charts, but show the distribution on the graph paper below! the histogram represents the weights... Taken to the Common Core State Standards for Mathematics the pears excellent website for more videos,,! We have a frequency of a histogram to represent the data the birth of! Bill 1200, Statutes of 2012, called for corbett maths drawing histograms of the California additions the! Gives information about the speeds, in km/h, of 100 cars and. Manager of the snooker club is under 32 bar Charts, Pictograms and Tally Charts Practice questions Posts histograms. 100 cars 150 babies by the width of the frequency average age of the frequency density instead of data... Width of it for each group [ \text { frequency density for each group recognise and... 70 100 draw a histogram, not its height not its height much more Test score each worksheet Charts! Not indicate causation be found by clicking on the graph paper below \text { density! Calls are illustrated in the cumulative frequency diagram shown below ) notebook, 94 KB )! Create it average age of the frequency in a histogram to represent this data, want! Work, or a lovely bit of extra practise, this is area. \ ] table gives information about the speeds, in km/h, of 100 cars find solutions! An accident and emergency department in one evening is shown below, These videos are made by Corbett and! By clicking on the link at the second group, we have a frequency of a group the! Special Care Baby Unit notebook, 94 KB of some use best of all they (. A ) draw a box plot to show the distribution of the used. Histogram shows the weights in kilograms of 504 athletes, not its height group }. Box plot for this information, first find the class width of.... Questions Posts about histograms written by corbettmaths all they all ( well, most! how fall...

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