« previous next »

Author Question: The expected value of the sum of two random variables X and Y is equal to the ____________________ ... (Read 31 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?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Random X-chromosome inactivation in a calico cat. Random X-chromosome inactivation in a calico cat.
Part A - Calculating the expected number of each phenotype Part A - Calculating the expected number of each phenotype
Torque is a twisting force equal to the distance from the pivot point times the force applied ... Torque is a twisting force equal to the distance from the pivot point times the force applied ...
Created Equal: A Social and Political History of the United States, Brief Edition Created Equal: A Social and Political History of the United States, Brief Edition
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Bateson and Punnett’s Observed and Expected Phenotypes in F2 Sweet Peas Bateson and Punnett’s Observed and Expected Phenotypes in F2 Sweet Peas
Video: What is Reverse Osmosis?

For a complete list of videos, visit our video library