Given the following null and alternative hypotheses

together with the following sample information

a. Assuming that the populations are normally distributed with equal variances, test at the 0.10 level of significance whether you would reject the null hypothesis based on the sample information. Use the test statistic approach.
b. Assuming that the populations are normally distributed with equal variances, test at the 0.05 level of significance whether you would reject the null hypothesis based on the sample information. Use the test statistic approach.

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1 μμ μμ Sample Sample 2 n14 18 -565 -,-578 si-28.9 된-26.3