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A Common Rule of Thumb for Determining How Many Classes

Question 32

Multiple Choice

A common rule of thumb for determining how many classes to use when developing a frequency distribution with classes is:


A) between 5 and 20 classes.
B) no fewer than 6 classes.
C) equal to 0.25 times the number of data values.
D) at least 10 classes.

Correct Answer:

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