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:

Demand Function

A mathematical representation of the relationship between the quantity demanded of a good and its determining factors, such as price and consumer income.

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, leading consumers to replace more expensive items with less expensive ones.

Income

Beneficial returns gained from employment or investment opportunities, typically on a scheduled basis.

Price

The price one must pay to obtain a good or service.