A boat company claims that their Super Fast Speed Boat averages 75 mph on the open water. You randomly select 8 Super Fast Speed Boats from a local boat dealership and test their mph under similar conditions.

You get the following MPH scores: 83, 82, 76, 79, 81, 75, 80, 68

Is the actual mph for these boats significantly different from 75 (alpha = .05)?

a.)Research Hypothesis 

b.)Null Hypothesis 

c.)T-Critical 

d.)T-Obtained 

e.)R-Squared Effect Size 

f.)Decision on the Null(