Question

Construct the cumulative frequency distribution for the given data.Age (years) of Best Actress when award was won Frequency20-29 2830-39 3340-49 15 50-59 260-69 770-79 280-89 2Age (years) of Best Actress when award was won Cumulative Frequency Less than 30 Less than 40 Less than 50 Less than 60 Less than 70 Less than 80Less than 90

Answer 1

The cumulative frequency distribution is the sum of a class and all classes below it.

Then, for the given cumulative frequency you have

x-axis: Upper limit (Age of beast actress when awards was won)

y-axis: Cumulative frequency

Cumulative frequency:

Less than 30 28

Less than 40 61

Less than 50 76

Less than 60 78

Less than 70 85

Less than 80 87

Less than 90​ 89

Graph:

Points (30, 29), (40, 62