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Situation B: An independently selected sample of five men also participated in the same study. The...

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Basic Math

Situation B: An independently selected sample of five men alsoparticipated in the same study. The table below shows results forthe number of pounds lost by the five men and five women in thestudy. The researcher will use the .01 significance level to testwhether (on average) the program produces different weight-lossresults for men and women. You may assume that the populationvariances are equal (although the sample variances are not).

***Weight-loss is in pounds***

Men (sample 1): sample size- 5, sample mean- 19.2, standarddev.- 4.970

Women (sample 2): sample size- 5, sample mean- 12.6, standarddev.- 4.336

1) Choose the appropriate formula for the test statistic andfind its value.

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