Find confidence interval for mean monthly expense budget

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Reference no: EM132077702

Question: A sample of 20 international students attending an urban U.S. university found that the average amount budgeted for expenses per month was $1612.50 with a standard deviation of $1179.64 Find a 95% confidence interval for the mean monthly expense budget of the population of international students. Use the appropriate formula and verify your result using the Confidence Intervals workbook

Confidence Interval for Population Mean, Standard Deviation Known

Alpha	0.05
Standard deviation	15
Sample size	25
Sample average	796

Confidence Interval	95%
Error	5.879892
Lower	790.1201
Upper	801.8799

Reference no: EM132077702

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