Making confidence intervals for the population mean

Reference no: EM1397137

You are given the sample mean and the sample standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Which interval is wider? If convenient, use technology to construct the confidence intervals.

A random sample of 37 gas grills has a mean price of $644.30 and a standard deviation of $56.50.

The 90% confidence interval is ??

The 95% confidence interval is ??

Reference no: EM1397137

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