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The final examination grades of random samples of students from three different classes are shown ...

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The final examination grades of random samples of students from three different classes are shown ...

The final examination grades of random samples of students from three different classes are shown below.

Class A	Class B	Class C
92	91	85
85	85	93
96	90	82
95	86	84

At the α = .05 level of significance, is there any difference in the mean grades of the three classes?

Textbook

Essentials of Statistics for Business and Economics

Edition: 7^th

Authors: Anderson, Sweeney, Williams, Camm, Cochran

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