The actual difference between the means of a treated group and an untreated group is 3 points.
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The actual difference between the means of a treated group and an untreated group is 3 points. This amount might or might not be found to be significant depending on the sample size. Explain this in terms of the formula for the two-sample t-test statistic.
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If sample size is small the ss M1M2 is large an...View the full answer
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