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Author Question: In an analysis of variance with a within-groups variance estimate of 8.5 and a between-groups ... (Read 91 times)

vinney12

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on: Jun 20, 2018
In an analysis of variance with a within-groups variance estimate of 8.5 and a between-groups variance estimate of 5.3, the F ratio is
 
  A) 5.3/8.5 = 0.62
  B) 8.5/5.3 = 1.60
  C) 5.3 /8.5 = 0.27
  D) 8.5 /5.3 = 0.55

Question 2

A cognitive psychologist tests whether memory for abstract ideas improves when the information is presented both verbally and visually. Which of the following scenarios represents a Type I error?
 
  A) The psychologist concludes that memory does not improve when the true situation is that it does not improve.
  B) The psychologist concludes that memory does not improve when the true situation is that it does improve.
  C) The psychologist concludes that memory does improve when the true situation is that it does improve.
  D) The psychologist concludes that memory does improve when the true situation is that it does not improve.


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sierramartinez

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

A

Answer to Question 2

D


vinney12

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Reply #2 on: Jun 20, 2018
Thank you!


sierramartinez

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Reply #3 on: Jun 20, 2018
Happy to help


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