Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-The owner of a major golf course believes that the course is so tough that most golfers rarely break par of $75 .$ The scores from a random sample of 20 golfers are listed below. Find the critical value to test the club owner's hypothesis. Use $\alpha = 0.05$ .
$\begin{array} { l l l l l l l l l l } 74 & 72 & 75 & 75 & 78 & 77 & 69 & 81 & 75 & 80 \end{array}$
$\begin{array} { l l l l l l l l l l } 72 & 74 & 76 & 76 & 83 & 81 & 75 & 77 & 78 & 68 \end{array}$

A) 4
B) 3
C) 2
D) 1