This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A regression analysis between sales (in 1000) and advertising (in 100) resulted in the following ... (Read 340 times)

B

  • Hero Member
  • *****
  • Posts: 570
on: Jun 24, 2018
A regression analysis between sales (in 1000) and advertising (in 100) resulted in the following least squares line: y = 75 +6x. This implies that if advertising is 800, then the predicted amount of sales (in dollars) is:
 a. 4875.
  b. 123,000.
  c. 487,500.
  d. 12,300.

Question 2

A regression analysis between weight (y in pounds) and height (x in inches) resulted in the following least squares line: y = 120 + 5x. This implies that if the height is increased by 1 inch, the weight is expected to:
 a. increase by 1 pound.
  b. decrease by 1 pound.
  c. increase by 5 pounds.
  d. decrease by 24 pounds.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

snackralk

  • Sr. Member
  • ****
  • Posts: 363
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

C


B

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jun 24, 2018
Thank you :)


snackralk

  • Sr. Member
  • ****
  • Posts: 363
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Line analysis of Gustave Caillebotte, Place de l'Europe on a Rainy Day. Line analysis of Gustave Caillebotte, Place de l'Europe on a Rainy Day.
Basic Marketing Research: Using Microsoft Excel Data Analysis Basic Marketing Research: Using Microsoft Excel Data Analysis
Systems Analysis and Design, 10th Edition Systems Analysis and Design, 10th Edition
Microarray analysis for analyzing gene-expression patterns in a tissue Microarray analysis for analyzing gene-expression patterns in a tissue
PCR analysis showing expansion of the CAG repeat region of the HD gene PCR analysis showing expansion of the CAG repeat region of the HD gene
Global analysis of yeast deletion mutants Global analysis of yeast deletion mutants
Video: Gas exchange - partial pressure, locations, external and internal respiration

For a complete list of videos, visit our video library