Regression Analysis Was Applied Between Sales (Y in $1000) and Advertising

question 16

Multiple Choice

Regression analysis was applied between sales (y in $1000) and advertising (x in $100) and the following estimated regression equation was obtained. ​ = 80 + 6.2x
​
Based on the above estimated regression line, if advertising is $10,000, then the point estimate for sales (in dollars) is

• A) $62,080.
• B) $142,000.
• C) $700.
• D) $700,000.

---

Definitions:

Black and White Vision

A type of vision characterized by the perception of images in shades of black and white, typically referring to the functioning of rod cells in low-light conditions.

Night

The period of darkness between sunset and sunrise when the sun is below the horizon, characterized by reduced visibility and typically considered a time for rest.

Center of the Eye

Refers to the pupil, the circular, black-looking opening in the iris that regulates the amount of light that enters the eye.

Optic Nerve

A cranial nerve that transmits visual information from the retina to the brain.