Which of the Following Represents a Null Hypothesis

question 10

Multiple Choice

Which of the following represents a null hypothesis?

• A)Class A high school basketball teams who employ a sports psychologist will have a higher proportion of wins over the course of the season than comparable teams who do not employ a sports psychologist.
• B)There will be no difference in rate of skill improvement between college gymnasts who practice meditation and those who do not.
• C)Does incorporating relaxation exercises into the daily practice routine of college vocal majors enhance their performance confidence?
• D)None of the above