The following two samples were collected as matched pairs: Pair 1 2 3 4 5 6 7
Question:
The following two samples were collected as matched pairs:
Pair 1 2 3 4 5 6 7 Sample 1 5 6 9 4 6 7 8 Sample 2 4 2 6 6 5 9 6
a. State the null and alternative hypotheses to test if a difference in means exists between the populations represented by Samples 1 and 2.
b. Calculate the appropriate test statistic and interpret the results of the hypothesis test using a = 0.05.
c. Approximate the p-value using Table 5 in Appendix A and interpret the result.
d. Verify your results using Excel’s Data Analysis. Mac users can rely on PHStat for this procedure.
e. Identify the p-value from Excel and interpret the result.
f. What assumptions need to be made in order to perform this procedure?
AppendixLO1
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