A club professional at a major golf course claims that the course is so tough that even professional golfers rarely break par of 68. The scores from a random sample of 20 professional golfers are listed below. Find the
Critical value to test the club professionalʹs claim. Use $$\alpha = 0.05$$ $$\begin{array} { l l l l l l l l l l }
67 & 65 & 68 & 68 & 71 & 70 & 62 & 74 & 68 & 73 \
65 & 67 & 69 & 69 & 76 & 74 & 68 & 70 & 71 & 61
\end{array}$$
A)4
B)3
C)2
D)1

Question

A club professional at a major golf course claims that the course is so tough that even professional golfers rarely break par of 68. The scores from a random sample of 20 professional golfers are listed below. Find the
Critical value to test the club professionalʹs claim. Use $$\alpha = 0.05$$ $$\begin{array} { l l l l l l l l l l } 
67 & 65 & 68 & 68 & 71 & 70 & 62 & 74 & 68 & 73 \
65 & 67 & 69 & 69 & 76 & 74 & 68 & 70 & 71 & 61
\end{array}$$
A)4
B)3
C)2
D)1

Quizplus · Accepted Answer

The critical value for a one-tailed test with $$\alpha = 0.05$$ and $$n = 20$$ is 1.729.

A Club Professional at a Major Golf Course Claims That α=0.05\alpha = 0.05α=0.05

A Club Professional at a Major Golf Course Claims That $\alpha = 0.05$