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Author Question: How large a sample is needed for a correlation of r = 0.550 to be significant using a two-tailed ... (Read 69 times)

sdfghj

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on: Jun 20, 2018
How large a sample is needed for a correlation of r = 0.550 to be significant using a two-tailed test with  = .05?
 
  A) n = 14
  B) n = 13
  C) n = 12
  D) n = 11

Question 2

A sample obtained from a population with  = 12 has a standard error of 2 points. How many scores are in the sample?
 
  A) n = 36
  B) n = 24
  C) n = 6
  D) n = 3


samiel-sayed

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

A

Answer to Question 2

A


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sdfghj

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


samiel-sayed

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


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