A Shop Owner Tries to Predict Heater Sales by Displaying

question 31

Multiple Choice

A shop owner tries to predict heater sales by displaying the sales of hot chocolate and heaters on the following scatterplot.Does the scatterplot of hot chocolate sales and heater sales indicate that it is appropriate to calculate the correlation?

• A)No: the relation must be linear.
• B)Yes: the relation is strong.
• C)Yes: the direction is positive.
• D)Yes: the relation is linear.
• E)Yes: the two variables are quantitative.

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Definitions:

Entity Mind-Set

The belief that personal qualities are fixed and cannot be changed significantly over time, as opposed to a growth mindset which sees abilities as malleable.

Correspondent Inference

The process of drawing inferences about a person's disposition, traits, or personality based on observed behavior.

External Factor

Elements outside of an individual's control that influence their behavior, decisions, or outcomes.

Social Role

The part an individual plays in a given social context, characterized by expected behaviors, responsibilities, and norms attributed to their position.