How is a weighted average of group means, different from an unweighted average of group means? What

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How is a weighted average of group means, different from an unweighted average of group means? What is the “weighting” factor? Under what circumstances would each type of mean be preferred?

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Applied Statistics From Bivariate Through Multivariate Techniques

ISBN: 9781412991346

2nd Edition

Authors: Rebecca M. Warner

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Question Posted: Nov 20, 2015 01:33 AM

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How is a weighted average of group means, different from an unweighted average of group means? What

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The weighting factor is the n of cases in each group A weighted gran...View the full answer

Applied Statistics From Bivariate Through Multivariate Techniques

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