A person has decided to construct a frequency distribution for a set of data containing 60 numbers.The lowest number is 23 and the highest number is 68.If 5 classes are used, the class width should be approximately ___.
A)4
B)12
C)8
D)5
E)9

Question

Quizplus · Accepted Answer

The class width is calculated by subtracting the lowest number from the highest number, then dividing by the number of classes: (68 - 23) / 5 = 9.

A Person Has Decided to Construct a Frequency Distribution for a Set