The number of items rejected daily by a manufacturer because of defects for the last 30 days are: 20, 21, 8, 17, 22, 19, 18, 19, 14, 17, 11, 6, 21, 25, 4, 19, 9, 12, 16, 16, 10, 28, 24, 6, 21, 20, 25, 5, 17, 8
How many classes should be used in constructing a histogram?
A) 6
B) 5
C) 7
D) 4
E) 8

Question

Quizplus · Accepted Answer

Number of classes = k, where 2^k > 30. So k = 5.

The Number of Items Rejected Daily by a Manufacturer Because