Question

as of 2011, the following are the ages at which a countrys presidents were inaugurated
54, 52, 66, 54, 68, 60, 65, 63, 55, 61, 44, 50, 59, 67, 49, 66, 67, 44,
43, 59, 49, 68, 67, 66, 49, 68, 61, 60, 66, 45, 42, 57, 59, 49, 52, 66,
46, 54, 50, 69, 65, 63, 67, 49
construct a grouped frequency distribution for the data. use 41 - 45 for the first class and use the same width for each subseque

type the frequency value for each class.

Explanation:

Step1: Identify data in 61 - 65 class

Count the numbers in the given data set that fall within the range 61 - 65. The numbers are 66, 65, 63, 61, 66, 66, 65, 63.

Step2: Calculate frequency

Count the number of elements identified in Step1. There are 8 elements.

Answer:

8