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Author Question: If you report the critical value of F, you must also report _____ with it. a. the critical sums ... (Read 103 times)

karen

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on: Jun 19, 2018
If you report the critical value of F, you must also report _____ with it.
 
  a. the critical sums of squares c. the number of tails in the hypothesis
  b. the critical group means d. the alpha level

Question 2

Why would an experimenter report the results of an experiment that had a one factor between groups design by using a bar graph? The experimenter _____.
 
  a. didn't want to go to the trouble of conducting an analysis of variance
  b. wanted to make the results look nice
  c. wanted to see whether the pattern of group means was consistent with the hypothesis
  d. wanted to make sure the probability of a Type I error was below alpha


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Dominic

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Reply #1 on: Jun 19, 2018
Answer to Question 1

D
Critical values of F must be reported with the alpha level they represent. It is also important to report the degrees of freedom for the critical F.

Answer to Question 2

C
A bar graph is no substitute for an analysis of variance, but it does show whether the pattern of means is in the predicted direction.


karen

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Reply 2 on: Jun 19, 2018
Excellent

marict

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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