Callaway's new driver has been described as illegal because it promises driving distances that exceed USGA standards. Golf Digest conducted a test consisting of nine drives with a USGA -approved driver and found the mean driving distance to be 280 yards. The mean driving distance of the Callaway driver was 286.9 with a sample standard deviation of 10 yards.

A. State the null and alternate hypotheses required to test whether the Callaway driver exceeds USGA standards at the 5% significance level.

B. Identify the appropriate test statistic

C. State the decision rule.

D. Show the appropriate calculations and state the decision rule.

E. Do your results support the contention that the Callaway Driver doesn't meet USGA standards? Explain.

 

Posted Date: 3/26/2013 2:24:14 AM | Location : United States

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