An anger-management course claims that, after completing its seminar, participants will lose their tempers less often. Always a skeptic, you decide to test this claim. A random sample of 1212 seminar...

An anger-management course claims that, after completing its seminar, participants will lose their tempers less often. Always a skeptic, you decide to test this claim. A random sample of 1212 seminar participants is chosen, and these participants are asked to record the number of times that they lost their tempers in the two weeks prior to the course. After the course is over, the same participants are asked to record the number of times that they lost their tempers in the next two weeks. The following table lists the results of the survey. Using these data, test the claim at the 0.010.01 level of significance assuming that the population distribution of the paired differences is approximately normal. Let participants before completing the anger-management course be Population 1 and let participants after completing the anger-management course be Population 2.

Number of Times Temper Was Lost during a Two-Week Period

Before	1010	66	55	88	77	77	1010	66	33	1010	33	88
After	66	77	44	55	44	77	88	66	44	99	33	77

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Step 1 of 3 :

State the null and alternative hypotheses for the test. Fill in the blank below.

H0Ha: μd=0: μd⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯0

Step 2 of 3 :

Compute the value of the test statistic. Round your answer to two decimal places.

3) draw a conclusion and form a decision

(word it like "we fail to reject the null hypothesis and conclude that there is sufficient evidence")

Jun 09, 2022

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An anger-management course claims that, after completing its seminar, participants will lose their tempers less often. Always a skeptic, you decide to test this claim. A random sample of 1212 seminar...

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