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Author Question: A researcher has computed two significant Pearson r values from independent random samples. Sample ... (Read 92 times)

londonang

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on: Jun 20, 2018
A researcher has computed two significant Pearson r values from
  independent random samples. Sample A, 171 subjects, produced an r of .75 and
  Sample B, 175 subjects, produced an r of .60.
 
  Do the two sample correlations
  represent a common population correlation?
 
 
 What will be an ideal response?

Question 2

A researcher has computed two significant Pearson r values from
  independent random samples. Sample A, 60 subjects, produced an r of .98 and
  Sample B, 50 subjects, produced an r of .71.
 
  Do the two sample correlations
  represent a common population correlation?
 
 
 What will be an ideal response?


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softEldritch

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

z=2.581 Reject Ho p<.01. The two correlations differ significantly

Answer to Question 2

z=7.161 Reject Ho p<.01. The two correlations differ significantly


londonang

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Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

essyface1

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  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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