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

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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 a = 0.05, test to see if there is a significant difference among the averages of the three groups.

 

  • 8 years ago