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The average final exam score for the statistics course is 75 A professor wants to...

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The average final exam score for the statistics course is 75 A professor wants to see in the average final exam score for students who are given colored pens on the first day of class is different The final exam scores for the 15 randomly selected students who were given the colored pens are shown below Assume that the distribution of the population is normal 68 76 63 85 61 52 53 56 64 87 63 54 56 67 79 What can be concluded at the the a 0 01 level of significance level of significance q B B B B 8 OF a For this study we should use t test for a population mean O b The null and alternative hypotheses would be Ho PE H 75 75

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