Author Question: The expected value of the sum of two random variables X and Y is equal to the ____________________ ... (Read 67 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?

The FDA recognizes 118 routes of administration.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

For a complete list of videos, visit our video library