This topic contains a solution. Click here to go to the answer

Author Question: A decision maker is considering constructing a multiple regression model with two independent ... (Read 291 times)

ap345

  • Hero Member
  • *****
  • Posts: 537
A decision maker is considering constructing a multiple regression model with two independent variables. The correlation between x1 and y is 0.70, and the correlation between variable x2 and y is 0.50.
 
  Based on this, the regression model containing both independent variables will explain 74 percent of the variation in the dependent variable. Indicate whether the statement is true or false

Question 2

When regression analysis is used for descriptive purposes, two of the main items of interest are whether the sign on the regression slope coefficient is positive or negative and whether the regression slope coefficient is significantly different from
 
  zero. Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuwy

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

FALSE

Answer to Question 2

TRUE




tuwy

  • Sr. Member
  • ****
  • Posts: 336

 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

For a complete list of videos, visit our video library