The Test Scores for Selected Samples of Sociology Students Who

Essay

The test scores for selected samples of sociology students who took the course from three different instructors are shown below. $$\begin{array} { c c c } \text { Instructor A } & \text { Instructor B } & \text { Instructor C } \\83 & 90 & 85 \\60 & 55 & 90 \\80 & 84 & 90 \\85 & 91 & 95 \\71 & 85 & 80\end{array}$$ At α = .05, test to see if there is a significant difference among the averages of the three groups.
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