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

Author Question: If the correlation between practice and performance accuracy is .80, how much of the variance in ... (Read 49 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
on: Jun 20, 2018
If the correlation between practice and performance accuracy is .80, how much of the variance in performance is not accounted for by practice?
 
  a. 6.4
  b. 20
  c. 36
  d. 64

Question 2

If two variables are not related in any way, the coefficient of correlation must be:
 
  a. ?1
  b. 1
  c. 0
  d. .5


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pratush dev

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

C


jessicacav

  • Member
  • Posts: 558
Reply 2 on: Jun 20, 2018
Excellent

shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Correlation between Celsius and Fahrenheit Scales Correlation between Celsius and Fahrenheit Scales
Performance Elements in the Art of Massage Performance Elements in the Art of Massage
Pharmacology: Connections to Nursing Practice, 4th Edition Pharmacology: Connections to Nursing Practice, 4th Edition
Performance Tasks on the Wechsler Tests Performance Tasks on the Wechsler Tests
Denney's model ON actual level of performance on exercised and unexercised abilities Denney's model ON actual level of performance on exercised and unexercised abilities
Table - Correlation Analysis Table - Correlation Analysis
Video: Cardiac Cycle (Part 3 of 4)

For a complete list of videos, visit our video library