The procedure for finding the mean for grouped data assumes that the mean of all the raw data values in
each class is equal to the midpoint of the class.

Name: The procedure for finding the mean for grouped data assumes that the mean of all the raw data values in each class is equal to the midpoint of the class.
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Question

Quizplus · Accepted Answer

The procedure assumes that the data within each class interval is uniformly distributed, so the midpoint is used as a representative value for all data points in that class.

The Procedure for Finding the Mean for Grouped Data Assumes