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