A club professional at a major golf course claims that the course is so tough that even professional golfers rarely break par of 73. The scores from a random sample of 20 professional golfers are listed below. Find the
Test statistic x to test the club professionalʹs claim. $\begin{array} { l l l l l l l l l l } 72 & 70 & 73 & 73 & 76 & 75 & 67 & 79 & 73 & 78 \end{array}$
$\begin{array} { l l l l l l l l l l } 70 & 72 & 74 & 74 & 81 & 79 & 73 & 75 & 76 & 66 \end{array}$
A)6
B)4
C)14
D)10

Question

Quizplus · Accepted Answer

The sample mean is 73.4 and the sample standard deviation is 4.4. The test statistic is:x = (73.4 - 73) / (4.4 / sqrt(20)) = 6

A Club Professional at a Major Golf Course Claims That 72707373767567797378\begin{array} { l l l l l l l l l l } 72 & 70 & 73 & 73 & 76 & 75 & 67 & 79 & 73 & 78 \end{array}72​70​73​73​76​75​67​79​73​78​

A Club Professional at a Major Golf Course Claims That $\begin{array} { l l l l l l l l l l } 72 & 70 & 73 & 73 & 76 & 75 & 67 & 79 & 73 & 78 \end{array}$