Question

A statistics instructor wonders whether significant differences exist in her students’ final exam scores in her three different sections. She randomly selects the scores from 10 different students in each section. A portion of the data is shown below; the complete data set, labeled Exam_Scores, can be found on the text website . Assume exam scores are normally distributed.


Do these data provide enough evidence at the 5% significance level to indicate that there are some differences in final exam scores among these threesections?


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  • CreatedJanuary 28, 2015
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