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

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Definitions:

Trade-off

A situation that involves losing one quality, aspect, or amount of something in return for gaining another quality, aspect, or amount.

Production Possibilities Frontier

A curve depicting all maximum output possibilities for two or more goods given a set of inputs, representing the trade-offs of producing one good over another.

Constant Rate

A fixed or unchanging value or pace at which a particular variable or condition progresses over time.

Mittens

Hand coverings which encase the four fingers together and the thumb separately, designed to provide warmth.