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A random sample of ten 2011 sports cars is taken and their city mileage is recorded.The results are as follows: 20212521212331322826 Assuming the population distribution

A random sample of ten 2011 sports cars is taken and their city mileage is recorded.The results are as follows:

20212521212331322826

Assuming the population distribution is normal, computeE, the margin of error for thetinterval, for a 90% confidence interval form, the population mean of the city mpg for 2011 sports cars.

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