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Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570

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BuyFindarrow_forward

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
ISBN: 9781133956570
Textbook Problem

A research report states that there is a significant difference between treatments for an independent-measures design with t(28) = 2.27.

a. How many individuals participated in the research study? (Hint: Start with the df value.)

b. Should the report state that p > .05 or p < .05?

a.

To determine

To find: The number of individuals participated for the study based on the report.

Explanation

Given info:

The research report is states that there is a significant difference between treatments for an independent- measures design with t(28)=2.27

Calculation:

For an independent measure t-test, the degrees of freedom is given as:

df=n1+n22n1+n2<

b.

To determine

To find: whether the report should state that p<0.05 or p>0.05.

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