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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

An independent-measures t statistic is used to evaluate the mean difference between two treatments with n = 8 in one treatment and n = 12 in the other. What is the df value for the t statistic?

To determine

To find: The degrees of freedom for the given data.

Explanation

Given info:

The two samples with size 8 and 12 are used in an independent measure design. The t-statistics is calculated based on these samples.

Calculation:

The degrees of freedom, df, for an independent measure t-statistics is:

df=n1+n22

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