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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

Question 71

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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The faculty advisor for the marketing society at a local business school is interested in determining the monthly expenditures on entertainment for marketing students.The advisor samples some students from each class and computes the sample mean and standard deviation for each class.
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: The faculty advisor for the marketing society at a local business school is interested in determining the monthly expenditures on entertainment for marketing students.The advisor samples some students from each class and computes the sample mean and standard deviation for each class. -Find a 90% confidence interval for the total expenditures.
-Find a 90% confidence interval for the total expenditures.

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N blured image
= (220)(1.554)= 341.88
N blured image ...

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