The Pearsons product-moment correlation describes the ...

[jhjkgdfhk]

The Pearsons product-moment correlation describes the relationship between variables by
 
  a. summing the variable and dividing by N.
  b. summing the deviation scores squared and dividing by N.
  c. summing the product of z-scores and dividing by N.
  d. None of these are true.

Question 2

Refer to Exhibit 6-4. What percent of the variance of scores in Group 1 is common with the variance of scores in Group 2?
 
  a. 56 percent
  c. 72 percent
  b. 69 percent
  d. None of these are true.

[allisonblackmore]

Answer to Question 1

C

Answer to Question 2

B