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 subsequent class
type the frequency value for each class.
agefrequency
41 - 459
46 - 507
51 - 55

Explanation:

Step1: Identify data in 51 - 55 class

Look for values in the data set that fall within the range 51 - 55. The values are 54, 54, 52, 51, 54.

Step2: Count the number of values

Count the number of values identified in Step1. There are 5 values.

Answer:

5