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The data for a random sample of eight paired observations are shown in the table below:

Pair 1 Population 1 Population 2
1 32 38
2 20 24
3 49 53
4 53 53
5 28 34
6 39 46
7 18 20

8

22 28

a. What are the appropriate null and alternative hypotheses to test whether the mean for population 2 is larger that that for population 1.

b. Conduct the test identified in part a using a = 0.05

c. Find a 95% confidence interval for ud. Interpret this result.

d. What assumptions are necessary to ensure the validity of this analysis?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M91003064

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