A researcher conducts an independent-measures study comparing two treatments and reports the t statistic as t(18) 5

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A researcher conducts an independent-measures study comparing two treatments and reports the t statistic as t(18) 5 2.15.

a. How many individuals participated in the entire study?

b. Using a two-tailed test with a 5 .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: 9781337098120

9th Edition

Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano

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Question Posted: Jul 18, 2024 07:09 AM

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A researcher conducts an independent-measures study comparing two treatments and reports the t statistic as t(18) 5

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Essentials Of Statistics For The Behavioral Sciences

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