The following data show the test scores of six individuals on a standardized test before and after attending a preparation seminar for the test.
Use Wilcoxon Signed-Rank test in order to determine whether or not the seminar has been effective. Hint: This is a one tailed test. Let $\alpha$ = 0.05.

Question

The following data show the test scores of six individuals on a standardized test before and after attending a preparation seminar for the test. 
 Use Wilcoxon Signed-Rank test in order to determine whether or not the seminar has been effective. Hint: This is a one tailed test. Let $\alpha$ = 0.05.

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The Answer of The following data show the test scores of six individuals on a standardized test before and after attending a preparation seminar for the test. 
 Use Wilcoxon Signed-Rank test in order to determine whether or not the seminar has been effective. Hint: This is a one tailed test. Let $\alpha$ = 0.05.

The Following Data Show the Test Scores of Six Individuals α\alphaα

The Following Data Show the Test Scores of Six Individuals $\alpha$