Regression Analysis Was Applied Between Sales (In $1,000) and Advertising

question 4

Multiple Choice

Regression analysis was applied between sales (in $1,000) and advertising (in $100) , and the following regression function 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:

Base

In mathematics, the number that is raised to a power in exponential expressions or the substance in chemistry that accepts protons or donates electrons.

Common Factors

Numbers or expressions shared as factors by two or more numbers or algebraic expressions.

Factors

Numbers or expressions that divide into another number or expression exactly, without leaving a remainder.

Nearest Hundredth

A method of rounding numbers so that they are accurate to two decimal places.