A researcher calculates a regression equation in order to a. ...

[jjjetplane]

A researcher calculates a regression equation in order to
 
  a. predict a score on a second variable from a known score on a first variable.
  b. determine the strength of the relationship between two nominal variables.
  c. predict the differences between scores on one variable from the scores on a second variable
  d. determine the causal relationship between two variables.

Question 2

As the value of r increases, the proportion of variability statistic
 
  a. increases.
  b. decreases.
  c. does not change.
  d. may increase or decrease.

[olivia_paige29]

Answer to Question 1

a

Answer to Question 2

a

[jjjetplane]

Thanks for the timely response, appreciate it

[elyse44]

Excellent