In Studying the Effects of Hunger on Competition, a Researcher

question 74

Multiple Choice

In studying the effects of hunger on competition, a researcher has subjects skip one, two, or three meals and then play a competitive game. She notes the number of points scored by subjects in the three hunger groups. In this example, the dependent variable is

• A) the number of meals missed.
• B) the amount of food consumed.
• C) the number of games played.
• D) the number of points scored.

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Definitions:

Probability Distribution

A mathematical description of a random phenomenon in terms of the probabilities of its outcomes.

Bivariate Distribution

A statistical distribution describing two variables and the probabilistic relationships between them.

Independent

Two variables are independent if the occurrence or change in one variable does not affect the occurrence or change in the second variable.

Probability Distribution

A function in mathematics that determines the probability of each possible outcome in an experimental scenario.