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Author Question: It is appropriate to use dummy variables in multiple regression when a. there may be a nonlinear ... (Read 34 times)

xclash

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on: Jun 20, 2018
It is appropriate to use dummy variables in multiple regression when
 
  a. there may be a nonlinear relationship between the independent variables and the dependent variable.
  b. all independent variables are interval or ratio.
  c. some of the independent variables are categorical.
  d. there may be nonnormality in the independent variables.

Question 2

A major reason for conducting correlational studies is to
 
  a. establish cause-and-effect relationships among variables.
  b. determine the effectiveness of various instructional methods.
  c. identify variables that have a substantial relationship with certain dependent variables.


Harbringer

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Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

C


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