A positive relationship between swimsuits purchased and ice cream purchased could be the result of:
A)reverse causality.
B)a magnified scale on the swimsuit axis.
C)a truncation of the ice cream axis.
D)an omitted variable,such as the external temperature.

Question

Quizplus · Accepted Answer

The positive relationship between swimsuits purchased and ice cream purchased could be due to an omitted variable, such as the external temperature. Warmer weather causes an increase in both the demand for swimsuits and the demand for ice cream, so failing to account for temperature could lead to a spurious correlation between the two variables.

A Positive Relationship Between Swimsuits Purchased and Ice Cream Purchased