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My textbooks z-card is wrong and I need help putting the answers into an excel formula-style, please help 16. A sample of 20 international students
My textbooks z-card is wrong and I need help putting the answers into an excel formula-style, please help
16. A sample of 20 international students attending an urban U.S. university found that the average amount budgeted for expenses per month was $1,612.50 with a standard deviation of $1,179.64. 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. | |||||||||
Expense Budget | |||||||||
Confidence Interval for Population Mean, Standard Deviation Unknown | |||||||||
Alpha | 0.05 | ||||||||
Sample standard deviation | 1179.64 | ||||||||
Sample size | 20 | ||||||||
Sample average | 1612.5 | ||||||||
Confidence Interval | |||||||||
t-value | |||||||||
Error | |||||||||
Lower | |||||||||
Upper |
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