Data Were Collected on Monthly Sales Revenues (In $\$ 1,000 \mathrm {~s}$

question 15

Multiple Choice

Data were collected on monthly sales revenues (in $\$ 1,000 \mathrm {~s}$ ) and monthly advertising expenditures $( \$ 100 \mathrm {~s} )$ for a sample of drug stores. The regression line relating revenues $( \mathrm { Y } )$ to advertising expenditure $( X )$ is estimated to be $\hat { y } = - 48.3 + 9.00 x$ . The correct interpretation of the slope is that for each additional

• A) \(\$ 1\) spent on advertising, predicted sales revenue increases by \(\$ 9,000\).
• B) \(\$ 100\) spent on advertising, predicted sales revenue increases by \(\$ 9,000\).
• C) \(\$ 100\) spent on advertising, predicted sales revenue decreases by \(\$ 9,000\).
• D) \(\$ 1,000\) in sales revenue, advertising expenditures decrease by \(\$ 48.30\).
• E) \(\$ 100\) in sales revenue, advertising expenditures decrease by \(\$ 48.30\).

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Definitions:

Affordable Care Act

A comprehensive health care reform law enacted in March 2010 (commonly known as Obamacare), aimed at expanding health insurance coverage, controlling health care costs, and improving health care quality.

Health Insurers

Companies that provide coverage for healthcare services in exchange for premium payments.

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Measures and policies implemented to safeguard patients' health, privacy, and rights within the healthcare system.

Affordable Care Act

A healthcare reform law enacted in 2010 aimed at increasing insurance coverage and reducing healthcare costs.