Question

as of 2011, the following are the ages at which a countrys presidents were inaugurated. 63, 57, 42, 63, 52, 69, 53, 52, 66, 52, 56, 52, 62, 64, 50, 53, 57, 60, 61, 59, 62, 50, 66, 48, 61, 47, 68, 49, 46, 58, 69, 54, 52, 42, 52, 45, 50, 56, 62, 47, 57, 58, 66, 54 construct a grouped frequency distribution for the data. use 41 - 45 for the first class and use the same width for each subsequent class. type the frequency value for each class. age frequency 41-45 3 46-50

Explanation:

Step1: Calculate class width

First class is 41-45, so width = 45 - 41 + 1 = 5 (inclusive range).

Step2: Identify values in 46-50

Data values: 46,47,47,48,49,50,50,50. Count them: 8.

Answer:

8