Question: Use a frequency distribution to approximate the mean age of the 50 most powerful women listed on page 39. Class Frequency, f 26 34

Use a frequency distribution to approximate the mean age of the 50 most powerful women listed on page 39.

        Class               Frequency, f

26 – 34 …………..     2

35 – 43 …………..     5

44 – 52 …………..     12

53 – 61 …………..     18

62–70 …………..       11

71–79 …………..       1

80 – 88 …………..     1

a. Find the midpoint of each class.

b. Find the sum of the products of each midpoint and corresponding frequency.

c. Find the sum of the frequencies.

d. Find the mean of the frequency distribution.

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