Question: How's your mileage? Use the data in Exercise I for the following. a. Compute a point estimate for the mean mileage for trucks that weigh

How's your mileage? Use the data in Exercise I for the following.
a. Compute a point estimate for the mean mileage for trucks that weigh 20 tons.
b. Construct a 95% confidence interval for the mean mileage of trucks that weigh 20 tons.
c. Predict the mileage of a particular truck that weighs 20 tons.
d. Construct a 95% prediction interval for the mileage of a particular truck that weighs 20 tons.

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