Question: Consider the following hypothesis statement using = 0.05 and data from two independent samples. Assume the population variances are not equal and the populations

Consider the following hypothesis statement using α = 0.05 and data from two independent samples. Assume the population variances are not equal and the populations are normally distributed.

-1 s, 24.6 ni = 14 = 114.7 = 122.0 s, =

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.

-1 s, 24.6 ni = 14 = 114.7 = 122.0 s, = 14.3 n2 = 20

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