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The estimated effect size for a study using a t test for dependent means is the...

The estimated effect size for a study using a t test for dependent means is the mean of the difference scores divided by the:

Select one:

a. estimated standard deviation of the population of difference scores

b. estimated variance of the sample of difference scores

c. difference scores

d. estimated mean of the population of difference scores

Math   Statistics-And-Probability   
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