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Author Question: The formula for degrees of freedom for the interaction is _____. a. N-1 b. N-k c. k-1 d. None ... (Read 35 times)

@Brianna17

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The formula for degrees of freedom for the interaction is _____.
 
  a. N-1
  b. N-k
  c. k-1
  d. None of the above are correct.

Question 2

When the researcher is unable to examine the pure effects of the
  independent variable, then the independent variable is said to be
 
  a. manipulated
  b. confounded
  c. held constant in the group
  d. none of these



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ju

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Answer to Question 1

d

Answer to Question 2

b





 

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