AP Statistics Question of the Day

Daily challenge for AP Statistics. Test yourself and track progress.

An automotive engineer wants to estimate the cost of repairing a car that experiences a 25 MPH head-on collision. He crashes 24 cars, and the average repair is $11,000. The standard deviation of the 24-car sample is $2,500.

Provide a 98% confidence interval for the true mean cost of repair.

Select an answer and click Check.