The EPA tests vehicles for gasoline mileage under stringent testing conditions. The testing for a particular make and model of mid-sized SUV involved 35 vehicles submitted by the manufacturer. Assume the vehicles submitted for testing constitute a random sample from the population.
Data:
24.7
27.0
26.2
26.8
26.2
25.5
25.8
27.5
27.0
27.6
27.3
26.9
25.0
26.4
26.9
27.3
26.1
26.1
26.2
25.9
26.3
27.0
26.3
26.1
24.6
26.9
26.5
25.7
25.8
26.0
28.5
26.4
25.8
26.4
28.0
Construct a 99% confidence interval estimate for the estimated mean MPG mileage for the vehicle tested.