Question: You want to know the average grade on a statistics test, but the teacher will not provide the information. You take a random sample of

You want to know the average grade on a statistics test, but the teacher will not provide the information. You take a random sample of the marks of 20 students who wrote the test. The results are available in MyStatLab. Construct a 95% confidence interval estimate for the average grade on the statistics test.

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