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Each car in a sample of seven cars was tested for​ nitrogen-oxide emissions​ (in grams per​...

Each car in a sample of seven cars was tested for​ nitrogen-oxide emissions​ (in grams per​ mile), and the following results were obtained. 0.08​, 0.11​, 0.16​, 0.13​, 0.12​, 0.08​, 0.13 a. Assuming that this sample is representative of cars in​ use, construct a​ 95% confidence interval estimate of the mean amount of​ nitrogen-oxide emissions for all cars.

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Answer #1

95% confidence interval estimate of the mean amount of​ nitrogen-oxide emissions =0.089 ; 0.142

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