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Home Q & A Board Science-Related Homework Help Psychology
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Preet Preet
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6 years ago
If random samples, each with n = 9 scores, are selected from a normal population with  = 80 and  = 18, how much difference, on average, should there be between a sample mean and the population mean?
 
  a. 2 points c. 6 points
  b. 3 points d. 18 points

Question 2

If all the possible random samples with n = 36 scores are selected from a normal population with  = 80 and  = 18, and the mean is calculated for each sample, what is the average of all the sample means?
 
  a. 2
  b. 6
  c. 80
  d. Cannot be determined without additional information

Question 3

If random samples, each with n = 4 scores, are selected from a normal population with  = 80 and  = 36, what is the standard error for the distribution of sample means?
 
  a. 4 c. 18
  b. 9 d. 36

Question 4

If random samples, each with n = 9 scores, are selected from a normal population with  = 80 and  = 36, what is the expected value for the distribution of sample means?
 
  a. 4 c. 16
  b. 12 d. 80
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nooxnoox
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6 years ago
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Preet Author
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#2
6 years ago
I can see it now, thanks for clarifying with correct answers
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#3
6 years ago
Make sure to mark the topic solved
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