Seven golf balls from each of six manufacturers were randomly selected and tested for durability. Each ball was hit 300 times or until failure occurred, whichever came first. A B C D E F 300 190 228...

Seven golf balls from each of six manufacturers were randomly selected and tested for durability. Each ball was hit 300 times or until failure occurred, whichever came first.

Do these sample data show sufficient reason to reject the null hypothesis that the six different brands tested withstood the durability test equally well? Useα = 0.05.

a. Solve using thep-value approach.

b. Solve using the classical approach.