The number of weekly sales calls by a sample of 25 pharmaceutical salespersons is below. 24, 56, 43, 35, 37, 27, 29, 44, 34, 28, 33, 28, 46, 31, 38, 41, 48, 38, 27, 29, 37, 33, 31, 40, 50
How many classes should be used in the construction of a histogram?
A) 4
B) 6
C) 10
D) 5
E) 2

Question

Quizplus · Accepted Answer

Classes are determined by the value of k, where 2^k yields a value that is closest to the sample size and is also larger than the sample size. k = 5, so 2⁵ = 32.

The Number of Weekly Sales Calls by a Sample of 25