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Author Question: Using the conservative test in which variances were not pooled that was described in the text, on ... (Read 89 times)

ss2343

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on: Jun 20, 2018
Using the conservative test in which variances were not pooled that was described in the text, on how many degrees of freedom would the t test on groups of 65 and 21 participants be based?
 
  a. 65  1 = 64 df
  b. 21  1 = 20 df
  c. 65 + 21  2 = 84 df
  d. (65 + 21)  2 = 43 df

Question 2

In which of the following cases is it most useful to pool the variances?
 
  a. s12 = 7.3, N1 = 15 and s22 = 8.1, N2 = 15
  b. s12 = 7.3, N1 = 15 and s22 = 52.3, N2 = 6
  c. s12 = 8.4, N1 = 13 and s22 = 12.1, N2 = 19
  d. none of the above


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bigcheese9

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

B

Answer to Question 2

C


ss2343

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Reply #2 on: Jun 20, 2018
Thank you


bigcheese9

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Reply #3 on: Jun 20, 2018
No problem :)


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