14. A researcher conducts an independent-measures study comparing two treatments and reports the t statistic as t(30)

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14. A researcher conducts an independent-measures study comparing two treatments and reports the t statistic as t(30) = 2.085.

a. How many individuals participated in the entire study?

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

c. Compute r 2 to measure the percentage of variance accounted for by the treatment effect.

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9780495812203

7th Edition

Authors: Frederick J. Gravetter, Larry B. Wallnau

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Question Posted: Nov 15, 2024 06:00 AM

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14. A researcher conducts an independent-measures study comparing two treatments and reports the t statistic as t(30)

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Essentials Of Statistics For The Behavioral Sciences

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