Question

as of 2011, the following are the ages at which a countrys presidents were inaugurated. 44, 69, 65, 60, 46, 54, 61, 45, 46, 58, 54, 59, 58, 48, 49, 58, 62, 49, 60, 45, 58, 59, 59, 44, 43, 43, 44, 66, 61, 50, 65, 68, 52, 51, 54, 60, 45, 57, 69, 42, 58, 47, 59, 59 construct a grouped frequency distribution for the data. use 41 - 45 for the first class and use the same width for each type the frequency value for each class. age frequency 41 - 45 9 46 - 50 7 51 - 55 5 56 - 60 14 61 - 65

Explanation:

Step1: Count the number of data points in the 61 - 65 age group

We go through the list of ages: 44, 69, 65, 60, 46, 54, 61, 45, 46, 58, 54, 59, 58, 48, 49, 58, 62, 49, 60, 45, 58, 59, 59, 44, 43, 43, 44, 66, 61, 50, 65, 68, 52, 51, 54, 60, 45, 57, 69, 42, 58, 47, 59, 59.
The ages in the 61 - 65 group are 65, 61, 62, 61, 65.

Answer:

5