Question: Every year sixth grade students in Ohio schools take proficiency tests

Every year sixth-grade students in Ohio schools take proficiency tests. The list of sixthgrade reading score changes from the prior year are given in Exercise 14. 5. Negative values indicate a decrease in score, positive values show an increase, and a zero shows no change from the prior year. Use the sign test to test the hypothesis that, “On average, reading scores have decreased from the prior year.” Use a = 0.05..

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