For Each Menu Item at a Fast Food Restaurant, the Fat

question 33

Multiple Choice

For each menu item at a fast food restaurant, the fat content (in grams) and the number of calories were recorded. A scatterplot of these data is given: The restaurant decides to add six new high-calorie, low-fat pasta dishes to its menu. What is a plausible value for the new correlation coefficient describing the relationship between fat and calories?

• A)+0.2
• B)-0.2
• C)+0.7
• D)-0.7

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Definitions:

Mate for Copulation

The selection of a partner for the purpose of sexual reproduction.

Aggression

A range of behaviors that can be physical or verbal, intended to harm or intimidate others.

Reinforced

Strengthened or emphasized, often in the context of behavior strengthened by a consequence in psychological terms.

Classical Conditioning

An instructional process in which two stimuli are regularly paired together; the response, which is at first produced by the second stimulus, is eventually produced by the first stimulus on its own.