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Confidence interval for sat scores

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Reference no: EM131932453

PROBLEM

A college wants to know the lower limit of a two-sided 95% confidence interval for SAT scores on the Math section (range equals 200 to 800).

They sampled 400 students and found that the sample mean was 580 and the sample standard deviation was 60.

Reference no: EM131932453

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Confidence interval for sat scores : A college wants to know the lower limit of a two-sided 95% confidence interval for SAT scores on the Math section (range equals 200 to 800).
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