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Question 3 8 points Save Answer Rod believes that careful reading significantly lowers the number of mistakes students make on tests. Therefore, he recruits a

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Question 3 8 points Save Answer Rod believes that careful reading significantly lowers the number of mistakes students make on tests. Therefore, he recruits a sample of 100 students and gives them a test in which the mean error rate is 20 in the general student population. Rod encourages his students to read each question extra carefully and then considers his sample's test results. Rod finds that the 100 students he studied made only 16 mistakes, on average, with standard deviation 5. Does careful reading significantly lower the number of mistakes students make on tests? a - 0.05 a) State the null and alternative hypotheses in words. b) Locate the critical value that defines the critical region. c) Calculate your statistic. d) Make a decision with respect to the null e) Write a concluding statement in everyday language. () If you rejected the null, don't forget to calculate the effect size, If you failed to reject the null, skip this part of the question. For the toolbar, press ALT-F10 (PC) or ALT- FN+F10 (Mac). ... BIUS Paragraph Arial 10pt

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