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 n1=15 n2=15 n3=15 M1=82.52 M2=73.48 M3=91.33 s1=9.24 s2=9.97 s3=8.34 SS1=1195.29 SS2=1391.61 SS3=973.78
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 n1=15 n2=15 n3=15 M1=82.52 M2=73.48 M3=91.33 s1=9.24 s2=9.97 s3=8.34 SS1=1195.29 SS2=1391.61 SS3=973.78
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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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
Control | Pets | Friends |
n1=15 | n2=15 | n3=15 |
M1=82.52 | M2=73.48 | M3=91.33 |
s1=9.24 | s2=9.97 | s3=8.34 |
SS1=1195.29 | SS2=1391.61 | SS3=973.78 |
SSbetween = 2389.80
e) Interpret the results and include a source table.
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