Author Question: The first step in the calculation of the Pearson product-moment correlation coefficient is to: a. ... (Read 96 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
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
Answer to Question 1

a

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

For a complete list of videos, visit our video library