Question: A local gasoline dealership in a small town wants to

A local gasoline dealership in a small town wants to estimate the average amount of gasoline that people in that town use in a 1-week period. The dealer asked 44 randomly selected customers to keep a diary of their gasoline usage, and this information produced the following data on gas used (in gallons) by these people during a 1-week period. The population standard deviation is not known.
Construct a 95% confidence interval for the average weekly gas usage by people in this town.

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  • CreatedAugust 25, 2015
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