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, 59construct a grouped frequency distribution for the data. use 41 - 45 for the first class and use the same width for each subsequent classtype the frequency value for each class.agefrequency41 - 45946 - 50751 - 55556 - 60

Explanation:

Step1: Identify data in 56 - 60 class

Count numbers in the range 56 - 60 from the given data set.
Numbers: 58, 54, 58, 59, 58, 59, 59, 58, 58, 59, 59, 57, 58, 59, 59

Step2: Calculate frequency

Count the number of elements in the identified set. There are 15 elements.

Answer:

15