Consider the following competing hypotheses and accompanying sample data. PG-69 Assume that the populations are normally distributed

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Consider the following competing hypotheses and accompanying sample data. PG-69

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Assume that the populations are normally distributed with unknown but equal variances.

a. Calculate the value of the test statistic.

b. Using the p-value approach, test the above hypotheses at the 5% significance level.

c. Repeat the analysis using the critical value approach.

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