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When constructing a frequency distribution, which of the following rules must befollowed?

Question:

When constructing a frequency distribution, which of the following rules must befollowed?

A.

the midpoint of each class must be an integer

B.

the width of each class is equal to the lowest value in the data set

C.

the number of classes must be an even number

D.

adjacent classes cannot overlap

Answer» d. adjacent classes cannot overlap

Note: The above multiple-choice question is for all general and Competitive Exams in India