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:

Discrimination

Discrimination involves unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, or sex, leading to denial of opportunities or rights.

Sick Role

A patterned social role that defines the behaviour that is appropriate for and expected of those who are sick.

Expectations

Anticipations or beliefs about what should happen in the future, often based on norms, experience, or projections.

Disengagement Theory

The assertion that successful aging requires the gradual withdrawal from social activity.