The Following Regression Model Has Been Proposed to Predict Monthly

question 27

Short Answer

The following regression model has been proposed to predict monthly sales at a shoe store.
a.Predict sales (in dollars) for the shoe store if the competitor's previous month's sales were $9,000, the store's previous month's sales were $30,000, and no radio advertisements were run.
b.Predict sales (in dollars) for the shoe store if the competitor's previous month's sales were $9,000, the store's previous month's sales were $30,000, and 10 radio advertisements were run.

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Definitions:

Relationship Between Variables

Refers to how variables are associated with each other, which can be positive, negative, or non-existent.

Absolute Value

The non-negative value of a number without regard to its sign, representing its distance from zero on the number line.

Negative Correlation

A relationship between two variables in which one variable increases as the other decreases.

Indirect

Referring to a relationship or communication where the effect or message is not directly conveyed, but rather inferred through other means.