Sample Mean For Grouped Data
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Sample Mean For Grouped Data. This statistics video tutorial explains how to calculate the mean of grouped data. This is what you need to know.
The midpoint for each group can be found by taking the average of the lower and upper value in the range.
This is the formula for finding the mean of the grouped data by direct method. I = 1, 2, 3, 4,., n. These midpoints must then be multiplied by the . When information is inconsistent, it leads to many problems.
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