智慧树知到《商务统计》2023见面课答案

智慧树知到《商务统计》2023见面课答案

1、 One rule that must always be followed in constructing frequency distributions is that __.

A.adjacent classes must not overlap

B.the midpoint of each class must be a whole number

C.the width of each class is equal to the range

D.the number of intervals must be an odd number