To test the effectiveness of counseling, a researcher randomly selects six people who experience anxiety attacks....
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To test the effectiveness of counseling, a researcher randomly selects six people who experience anxiety attacks. These six people are interested in the counseling treatment. The researcher gives each person an anxiety test before and after the person has a counseling session with a therapist. Higher scores on the test indicate a higher level of anxiety in the person taking the test. The anxiety test scores are normally distributed. The test scores of the six people are shown in the table below. Person Pre-Counseling Score Post-Counseling Score 1 66 64 2 71 65 3 80 79 4 85 81 5 85 81 Determine the best choice for the alternative hypothesis if researcher is trying to show counseling improves anxiety level based on anxiety score on test. 6 90 91 Select one: Ⓒa. There is no mean difference in the anxiety test scores after and before counseling. b. There is a mean difference in the anxiety test scores after and before counseling. C. The mean difference in anxiety test scores after and before counseling is negative. Od. The mean difference in anxiety test scores after and before counseling is positive. To test the effectiveness of counseling, a researcher randomly selects six people who experience anxiety attacks. These six people are interested in the counseling treatment. The researcher gives each person an anxiety test before and after the person has a counseling session with a therapist. Higher scores on the test indicate a higher level of anxiety in the person taking the test. The anxiety test scores are normally distributed. The test scores of the six people are shown in the table below. Person Pre-Counseling Score Post-Counseling Score 1 66 64 2 71 65 3 80 79 4 85 81 5 85 81 Determine the best choice for the alternative hypothesis if researcher is trying to show counseling improves anxiety level based on anxiety score on test. 6 90 91 Select one: Ⓒa. There is no mean difference in the anxiety test scores after and before counseling. b. There is a mean difference in the anxiety test scores after and before counseling. C. The mean difference in anxiety test scores after and before counseling is negative. Od. The mean difference in anxiety test scores after and before counseling is positive.
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Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
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