« previous next »

Author Question: The first step in the calculation of the Pearson product-moment correlation coefficient is to: a. ... (Read 99 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Jun 20, 2018
The first step in the calculation of the Pearson product-moment correlation coefficient is to:
 
  a. determine the z score for each score on each variable.
  b. determine the cross-products of the z scores.
  c. multiply the z score for variable X by the z score for variable Y.
  d. divide the cross-products by N.

Question 2

To calculate the coefficient of determination, we:
 
  a. square the correlation coefficient.
  b. take the square root of the correlation coefficient.
  c. multiply the correlation coefficient by 2
  d. divide the correlation coefficient by 2


joneynes

  • Sr. Member
  • ****
  • Posts: 376
Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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.

Documenting the health history is a crucial step in providing patient care Documenting the health history is a crucial step in providing patient care
Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat
Calculation of the Value of Depletion for the 14 Most Important Minerals Calculation of the Value of Depletion for the 14 Most Important Minerals
LiH has an experimental dipole moment, μ = 6.00 D. If LiH were 100% ionic, the distance ... LiH has an experimental dipole moment, μ = 6.00 D. If LiH were 100% ionic, the distance ...
Calculation of the probabilities in a mating involving the ABO blood type Calculation of the probabilities in a mating involving the ABO blood type
Stormwater calculation Stormwater calculation
Video: Complement Proteins Animation

For a complete list of videos, visit our video library