« previous next »

Author Question: In regression analysis, the error term is a random variable with a mean or expected value of a. 0. ... (Read 55 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Aug 1, 2018
In regression analysis, the error term  is a random variable with a mean or expected value of
 a. 0.
  b. 1.
  c. .
  d. x.

Question 2

In simple linear regression, r2 is the
 a. mean square error.
 b. correlation coefficient.
 c. squared residual.
  d. coefficient of determination.


Kingjoffery

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Aug 1, 2018
Answer to Question 1

a

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

The asymmetrical appearance of Mira, an oscillating variable star. The asymmetrical appearance of Mira, an oscillating variable star.
Hematuria. An analysis of urine is performed to evaluate kidney function. In this illustration, the Hematuria. An analysis of urine is performed to evaluate kidney function. In this illustration, the
Identify the Main Term Identify the Main Term
A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ... A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ...
Types of Long-Term Memories Types of Long-Term Memories
Mutation analysis of the -globin gene promoter Mutation analysis of the -globin gene promoter
Video: Dissociative Disorders (Part 2)

For a complete list of videos, visit our video library