This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If the standard deviation of X is 15, the covariance of X and Y is 94.5, and the correlation is ... (Read 75 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
on: Jun 24, 2018
If the standard deviation of X is 15, the covariance of X and Y is 94.5, and the correlation is 0.90, then the variance of Y is 7.0.
 a. True
  b. False
   Indicate whether the statement is true or false

Question 2

The test statistic of the single-factor ANOVA equals:
 a. sum of squares for treatments / sum of squares for error.
  b. sum of squares for error / sum of squares for treatments.
  c. mean square for treatments / mean square for error.
  d. mean square for error / mean square for treatments.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

firehawk60

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jun 24, 2018
Answer to Question 1

FALSE

Answer to Question 2

C


saliriagwu

  • Member
  • Posts: 537
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br
a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments. a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments.
How to write a quadratic equation in standard form when a graph is given How to write a quadratic equation in standard form when a graph is given
How to sketch a quadratic equation that is in standard form (Question 1) How to sketch a quadratic equation that is in standard form (Question 1)
Write the following in standard form Write the following in standard form
Table - Correlation Analysis Table - Correlation Analysis
Video: Deafness Culture

For a complete list of videos, visit our video library