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Home Q & A Board Science-Related Homework Help Psychology
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dixoncsk2062 dixoncsk2062
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6 years ago
A sample of n = 9 scores has a standard error of 6. What is the standard deviation of the population from which the sample was obtained?
 
  A) 54
  B) 18
  C) 6
  D) 2

Question 2

A researcher obtains a Pearson correlation of r = 0.43 for a sample of n = 20 participants. For a two-tailed test, which of the following accurately describes the significance of the correlation?
 
  A) The correlation is significant with  = .05 but not with  = .01.
  B) The correlation is significant with either  = .05 or  = .01.
  C) The correlation is not significant with either  = .05 or  = .01.
  D) The correlation is equal to zero.

Question 3

For a particular population a sample of n = 4 scores has an expected mean value of 10. For the same population, a sample of n = 25 scores would have an expected mean value of ____.
 
  A) 4
  B) 8
  C) 10
  D) 20
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jen2585jen2585
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6 years ago
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dixoncsk2062 Author
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#2
6 years ago
God bless you! Helped my grade so much.
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