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Author Question: A researcher is testing a null hypothesis stating that for the general population there is no ... (Read 69 times)

jasdeep_brar

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A researcher is testing a null hypothesis stating that for the general population there is no preference between the two leading brands of cola. In a sample of n = 100 people, 35 preferred brand A and 65 preferred brand B. Assuming that the researcher uses a two-tailed test, what is the appropriate statistical decision?
 
  A) Reject the null hypothesis with  = .05 but not with  = .01.
  B) Reject the null hypothesis with either  = .05 or  = .01.
  C) Fail to reject the null hypothesis with either  = .05 or  = .01.
  D) No decision is possible without additional information.

Question 2

If other factors are held constant, which set of data is most likely to produce a significant value for the repeated-measures t statistic?
 
  A) n = 15 and SS = 10 for the difference scores
  B) n = 15 and SS = 100 for the difference scores
  C) n = 30 and SS = 10 for the difference scores
  D) n = 30 and SS = 100 for the difference scores



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Sophiapenny

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Answer to Question 1

B

Answer to Question 2

C




jasdeep_brar

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Reply 2 on: Jun 20, 2018
Gracias!


aliotak

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

 

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