Multiple Choice
In the calculation of a mean for grouped data,___________ and ___________ are used.
A) Total sample size,sum of the midpoints of each class
B) Total sample size,sum of the weighted midpoints
C) Sum of the frequency of each class,the sum of the midpoints of each class
D) Sum of the frequency of each class,the sample midpoint
Correct Answer:

Verified
Correct Answer:
Verified
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