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Author Question: A multiple regression equation is computed for a sample of n = 20 sets of X1, X2, and Y scores. If ... (Read 104 times)

lbcchick

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on: Jun 20, 2018
A multiple regression equation is computed for a sample of n = 20 sets of X1, X2, and Y scores. If the significance of the regression equation is evaluated using an F-ratio, then the ratio would have degrees of freedom equal to ____.
 
  A) df = 1, 18
  B) df = 1, 19
  C) df = 2, 17
  D) df = 2, 18

Question 2

A researcher administers a treatment to a sample of participants selected from a population with  = 80. If a hypothesis test is used to evaluate the effect of the treatment, which combination of factors is most likely to result in rejecting the null hypothesis?
 
  A) A sample mean near 80 with  = .05
  B) A sample mean near 80 with  = .01
  C) A sample mean much different than 80 with  = .05
  D) A sample mean much different than 80 with  = .01


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AngeliqueG

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

C

Answer to Question 2

C


lbcchick

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Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

tandmlomax84

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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