Author Question: The first step in the calculation of the Pearson product-moment correlation coefficient is to: a. ... (Read 42 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?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

For a complete list of videos, visit our video library