# 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 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.

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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