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

Every year sixth-grade students in Ohio schools take proficiency tests. The following list is of sixth-grade reading score changes from the prior year. Negative values indicate a decrease in score, positive values show an increase, and a zero shows no change from the prior year.
Construct a 95% confidence interval for the median change in reading scores.

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  • CreatedAugust 28, 2015
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