Chapter 12, Problem 36PT4

To determine

To find the number of members of the club are more than 60 years of age.

Answer to Problem 36PT4

b) 44.

Explanation of Solution

Given:

Cumulative relative frequency graph:

  

Draw a line which intersection to 78% of cumulative relative frequency and 60 age of members.

  

Here, 78% of the members are less than 60 years. That means, 22% of the members are more than 60 years old. Therefore,

  $0.22\times 200=44$

Hence, 44 members are more than 60 years old.