Example 3: Draw the histogram, frequency curve and cumulative Frequency curve for the following distribution of 464 deaths from scarlet fever classified according to ages: Ages in years Number of deaths Cumulative Relative Cumulative Frequency (C.F.) 122 Frequency (R.C.F.) (F) 0-5 122 0.263 5-10 95 217 0.468 10-15 70 287 0.619 15-20 27 314 0.677 20-25 26 340 0.733 25-30 17 357 0.769 30-35 12 369 0.795 35-40 11 380 0.819 40-45 10 390 0.841 45-50 6. 396 0.853 50-55 7 403 0.869 55-60 403 0.869 60-65 26 429 0.925 65-70 35 464 1.000 Total 464

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Example 3:
Draw the histogram, frequency curve and cumulative Frequency
curve for the following distribution of 464 deaths from scarlet fever
classified according to ages:
Relative Cumulative
Frequency (R.C.F.)
Ages in years
Number of deaths
Cumulative
Frequency (C.F.)
122
(F)
0-5
122
0.263
5-10
95
217
0.468
10-15
70
287
0.619
15-20
27
314
0.677
20-25
26
340
0.733
25-30
17
357
0.769
30-35
12
369
0.795
35-40
11
380
0.819
40-45
10
390
0.841
45-50
6.
396
0.853
50-55
7
403
0.869
55-60
403
0.869
60-65
26
429
0.925
65-70
35
464
1.000
Total
464
Transcribed Image Text:Example 3: Draw the histogram, frequency curve and cumulative Frequency curve for the following distribution of 464 deaths from scarlet fever classified according to ages: Relative Cumulative Frequency (R.C.F.) Ages in years Number of deaths Cumulative Frequency (C.F.) 122 (F) 0-5 122 0.263 5-10 95 217 0.468 10-15 70 287 0.619 15-20 27 314 0.677 20-25 26 340 0.733 25-30 17 357 0.769 30-35 12 369 0.795 35-40 11 380 0.819 40-45 10 390 0.841 45-50 6. 396 0.853 50-55 7 403 0.869 55-60 403 0.869 60-65 26 429 0.925 65-70 35 464 1.000 Total 464
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