Mary Used a Sample of 68 Large U

question 98

Multiple Choice

Mary used a sample of 68 large U.S. cities to estimate the relationship between Crime (annual property crimes per 100,000 persons) and Income (median annual income per capita, in dollars) . Her estimated regression equation was Crime = 428 + 0.050 Income. If Income decreases by 1000, we would expect that Crime will:

• A)increase by 428.
• B)decrease by 50.
• C)increase by 500.
• D)remain unchanged.

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Definitions:

Testosterone

A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes but also in the ovaries and adrenal cortex.

Aggression

Behavior intended to harm or intimidate others, which can be physical, verbal, or non-verbal.

Positively Correlated

A relationship between two variables where both variables move in the same direction, meaning as one variable increases, the other also increases, or as one decreases, the other also decreases.

Hours Spent Watching Television

A measure often used in research to assess the amount of time individuals dedicate to watching TV, which can impact various aspects of health and behavior.