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One rule that must always be followed in constructing frequency distributions is that （）.

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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

参考答案:

答案：adjacent classes must not overlap

相关问题:

现有程序：listA=[("math"，80)，("chinese"，90)，("phyical"，96)]classes，score=z

现有程序：listA=[("math"，80)，("chinese"，90)，("phyical"，96)]classes，score=z

现有程序：listA=[("math"，80)，("chinese"，90)，("phyical"，96)]classes，score=z

现有程序：listA=[("math"，80)，("chinese"，90)，("phyical"，96)]classes，score=z

size classes in community colleges are popular for overseas people

Someteachersfinditdifficulttokeeptheirclassesinorder.

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