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Mathematics, 25.07.2020 20:01 josephraven7942

The average final exam score for the statistics course is 80%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is lower. The final exam scores for the 13 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 82, 73, 72, 76, 63, 64, 74, 75, 85, 80, 76, 77, 67 What can be concluded at the the α α = 0.10 level of significance level of significance?

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The average final exam score for the statistics course is 80%. A professor wants to see if the avera...
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