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1622.17 SS2 = 598.8 %3D een = 2106.92 What are the hypotheses for this test? What is the critical value?

1622.17 SS2 = 598.8 %3D een = 2106.92 What are the hypotheses for this test? What is the critical value?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Answer C,D, and E

5. To examine the effects of pets and friends in stressful situations, researchers recruited 45 people to participate in an experiment. Fifteen of the subjects were randomly assigned to each of three groups to perform a stressful task alone (control group), with a good friend present, or with their dog present. Each subjects mean heart rate during the task was recorded. Higher heart rates mean more stress. Use an alpha of .05. Control Pets Friends ni = 20 n2 = 15 n3 = = 20 M1 = 97.65 M2 = 85.4 M3 = 100.43 S1 = 9.24 S2 = 6.54 S3 = 11.81 SS1 = 1622.17 SS2 = 598.8 SS3 = 2650.05 %3D SSBetween = 2106.92 a) What are the hypotheses for this test? b) What is the critical value? c) Complete the necessary calculations (include post hocs if necessary). d) Report your results in APA style e) Interpret the results and include a source table.
Transcribed Image Text:5. To examine the effects of pets and friends in stressful situations, researchers recruited 45 people to participate in an experiment. Fifteen of the subjects were randomly assigned to each of three groups to perform a stressful task alone (control group), with a good friend present, or with their dog present. Each subjects mean heart rate during the task was recorded. Higher heart rates mean more stress. Use an alpha of .05. Control Pets Friends ni = 20 n2 = 15 n3 = = 20 M1 = 97.65 M2 = 85.4 M3 = 100.43 S1 = 9.24 S2 = 6.54 S3 = 11.81 SS1 = 1622.17 SS2 = 598.8 SS3 = 2650.05 %3D SSBetween = 2106.92 a) What are the hypotheses for this test? b) What is the critical value? c) Complete the necessary calculations (include post hocs if necessary). d) Report your results in APA style e) Interpret the results and include a source table.
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