# t-test of mean

The manufacturer of the Ososki motorcycle advertises that the cycle will average 87 miles per gallon of gasoline. A sample of eight bikes revealed the following mileage:

88, 82, 81, 87, 80, 78, 79, 89

At the .05 level, is the mean mileage less than the advertised 87 miles per gallon?

© BrainMass Inc. brainmass.com June 3, 2020, 6:32 pm ad1c9bdddfhttps://brainmass.com/statistics/students-t-test/t-test-of-mean-64061

#### Solution Preview

The manufacturer of the Ososki motorcycle advertises that the cycle will average 87 miles per gallon of gasoline. A sample of eight bikes revealed the following mileage:

88, 82, 81, 87, 80, 78, 79, ...

#### Solution Summary

To test if the mean mileage less than the advertised 87 miles per gallon.

$2.19