A survey of 23 individuals found that they spent an average of $39.48 on headphones to use

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A survey of 23 individuals found that they spent an average of $39.48 on headphones to use for exercising. The margin of error for a 95% confidence interval was found to be 21.2.

a. What are the lower and upper limits of the confidence interval?

b. What was the standard deviation of the sample?

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Business Analytics

ISBN: 9780135231678

3rd Edition

Authors: James Evans

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Question Posted: Mar 07, 2023 06:11 AM

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A survey of 23 individuals found that they spent an average of $39.48 on headphones to use

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