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Author Question: If the Pearson correlation between X and Y is r = 0.60, then the regression equation predicts 36 of ... (Read 86 times)

karateprodigy

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on: Jun 20, 2018
If the Pearson correlation between X and Y is r = 0.60, then the regression equation predicts 36 of the variance in the Y scores.
 
  Indicate whether the statement is true or false

Question 2

Which of the following will increase the power of a statistical test?
 
  A) Change  from .05 to .01
  B) Change from a one-tailed test to a two-tailed test
  C) Change the sample size from n = 25 to n = 100
  D) None of the other three options will increase the power.


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TDubDCFL

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

True

Answer to Question 2

C


karateprodigy

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Reply 2 on: Jun 20, 2018
Gracias!

gcook

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Reply 3 on: Yesterday
Excellent

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