Find the 99% confidence interval of the mean math test score

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Reference no: EM13241109

A sample of the math test scores of 35 fourth-graders has a mean of 82 with a standard deviation of 15.

Find the 95% confidence interval of the mean math test scores of all fourth-graders.

Find the 99% confidence interval of the mean math test scores of all fourth-graders.

Which interval is larger? Explain why.

Reference no: EM13241109

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