When calculating the mean for grouped data, which of the following is used for the weights in the formula:
A)midpoint of each class
B)the class frequencies
C)the upper limit of each class
D)the bin range
E)none of the above

Question

Quizplus · Accepted Answer

The class frequencies are used as weights in the formula for calculating the mean of grouped data because they represent how many data points fall into each class interval.

When Calculating the Mean for Grouped Data, Which of the Following