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ou are the manager of a local cinema, and want to investigate how much the verage customer spends on the concession stand. You take a sample of 26 ustomers, and you find a sample average of $9.38, with a sample standard deviation f $2.97. Using this information, you want to create a 80% confidence interval round the population mean. What is the upper bound (upper end) of the confidence terval in of your analysis?

ou are the manager of a local cinema, and want to investigate how much the verage customer spends on the concession stand. You take a sample of 26 ustomers, and you find a sample average of $9.38, with a sample standard deviation f $2.97. Using this information, you want to create a 80% confidence interval round the population mean. What is the upper bound (upper end) of the confidence terval in of your analysis?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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You are the manager of a local cinema, and want to investigate how much the average customer spends on the concession stand. You take a sample of 26 customers, and you find a sample average of $9.38, with a sample standard deviation of $2.97. Using this information, you want to create a 80% confidence interval around the population mean. What is the upper bound (upper end) of the confidence interval in of your analysis?
Transcribed Image Text:You are the manager of a local cinema, and want to investigate how much the average customer spends on the concession stand. You take a sample of 26 customers, and you find a sample average of $9.38, with a sample standard deviation of $2.97. Using this information, you want to create a 80% confidence interval around the population mean. What is the upper bound (upper end) of the confidence interval in of your analysis?
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