Suppose you wish to detect a difference in the locations of two population distributions based on a paired-difference experiment consisting of n = 35 pairs. Use the Wilcoxon Signed-Rank test. [NOTE: = n(n+ 1) / 2.]
If = 339, what are your conclusions?
Give the test statistic.
T = ______________
Give the rejection region for the test for = 0.05.
Reject if T
______________.
Conclude: ______________
There is ______________ of a difference between the two distributions.
Conduct the test using the large-sample z-test.
Compute the z-statistic: ______________
Reject if the z-statistic
______________.
Conclude: ______________
There is ______________ of a difference between the two distributions.
Compare your results with the nonparametric test results above.
______________
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