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The test scores for selected samples of sociology students who took the course from three different ...

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The test scores for selected samples of sociology students who took the course from three different ...

The test scores for selected samples of sociology students who took the course from three different instructors are shown below.

Instructor A	Instructor B	Instructor C
83	90	85
60	55	90
80	84	90
85	91	95
71	85	80

At α = 0.05, test to see if there is a significant difference among the averages of the three groups. Use both the critical value and p-value approaches.

Textbook

Essentials of Statistics for Business and Economics

Edition: 7^th

Authors: Anderson, Sweeney, Williams, Camm, Cochran

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