Consider the following hypothesis statement using 0 10 and
Consider the following hypothesis statement using α = 0.10 and data from two independent samples. Assume the population variances are not equal and the populations are normally distributed.
a. Calculate the appropriate test statistic and interpret the result.
b. Approximate the p value using Table 5 in Appendix A and interpret the results.
c. Determine the precise p value using Excel.
d. Verify your results using PHStat.
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