(Answered) Each car in a sample of seven cars was tested

Statistics

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, 0.13?, 0.16?, 0.18?, 0.17?, 0.07, 0.18

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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