« previous next »

Author Question: The expected value of the sum of two random variables X and Y is equal to the ____________________ ... (Read 72 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
on: Jun 24, 2018
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
Reply #1 on: Jun 24, 2018
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
« previous next »
 

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?

The human body produces and destroys 15 million blood cells every second.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae
Random doodling Random doodling
Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers. Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers.
How to manually solve a linear system with three variables without matrices (Question 1 of 2) How to manually solve a linear system with three variables without matrices (Question 1 of 2)
Calculate the physical variables Calculate the physical variables
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
Video: Exercise and cardiac output

For a complete list of videos, visit our video library