A golf tee manufacturer used a robot to hit balls off of their tee and acompetitor's tee using the same club. Assume that 102 balls were hit off eachtee, and the data are suitable for inference. Is there evidence that balls hit off themanufacturer's tee have a higher initialvelocity? (Assume a significance level of 0.05.)

Distance(yards)

Ball Velocity(mph)

Club Velocity(mph)

Avg.

SD

Avg.

SD

Avg.

SD

Competition

229.45

2.94

126.84

0.58

92.49

0.48

Manufacturer

231.95

2.21

128.22

0.34

92.49

0.59

1.determine the t-statistics

1. P-value