Refer to Exercise 15.22. Conduct the test using the large-sample z-test. Compare your results with the nonparametric

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Refer to Exercise 15.22. Conduct the test using the large-sample z-test. Compare your results with the nonparametric test results in Exercise 15.21, part d.
Exercise 15.22
Refer to Exercise 15.21. Suppose you wish to detect only a shift in distribution 1 to the right of distribution 2.
a. Give the null and alternative hypotheses for the Wilcoxon signed-rank test.
b. Give the test statistic.
c. Give the rejection region for the test for α = .05.
d. If T+ = 249, what are your conclusions?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Introduction To Probability And Statistics

ISBN: 9781133103752

14th Edition

Authors: William Mendenhall, Robert Beaver, Barbara Beaver

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