Regression Analysis Was Applied Between Sales in $10,000) and Advertising $\hat { Y }$

question 4

Multiple Choice

Regression analysis was applied between sales in $10,000) and advertising in $100) and the following regression function was obtained. = 50 + 8 X
$\hat { Y }$ Based on the above estimated regression line if advertising is $1,000, then the point estimate for sales in dollars) is

• A) $8,050
• B) $130
• C) $130,000
• D) $1,300,000

---

Definitions:

Y-intercept

The point where a line crosses the y-axis of a graph, reflecting the value of the dependent variable when the independent variable is zero.

Regression Equation

A mathematical formula used to predict a dependent variable based on one or more independent variables, illustrating the relationship between them.

Y-Intercept

The point where a line crosses the Y-axis of a graph, representing the value of the dependent variable when all independent variables are zero.

Table

A systematic arrangement of data in rows and columns, facilitating easy comparison, analysis, and presentation of information.