A researcher conducts an independent-measures study comparing two treatments and reports the t statistic as t(25)=2.071 . How many individuals participated in the entire study? Using a two-tailed test...

A researcher conducts an independent-measures study comparing two treatments and reports the t statistic as t(25)=2.071 .

How many individuals participated in the entire study?

Using a two-tailed test with αα=.05 , is there a significant difference between the two treatments?

Compute

r2 to measure the percentage of variance accounted for by the treatment effect.