Author Question: The expected value of the sum of two random variables X and Y is equal to the ____________________ ... (Read 21 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
The expected value of the sum of two random variables X and Y is equal to the ___________________ _ of the expected value of X and the expected value of Y.
 Fill in the blank(s) with correct word

Question 2

The ___________________ _ of X and Y is a measure of the strength and direction of the linear relationship between X and Y. It is easy to put into perspective because it is always between -1 and 1.
 Fill in the blank(s) with correct word



asware1

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

sum

Answer to Question 2

correlation
coefficient of correlation



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

For a complete list of videos, visit our video library