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A SRS of 20 third grade children is selected in Chicago and each is given a test to measure his or her reading ability. In the sample, the mean score is 64 points and the standard deviation is 12 points.

We are interested in a 95% confidence interval for the population mean score. The margin of error associated with the confidence interval is?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9401904

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