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nmar nmar
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6 years ago
Samples of n = 16 scores are selected from a population. If the distribution of sample means has an expected value of 40 and a standard error of 2, what isthe mean and the standard deviation for the population?
 
  a.  = 40 and  = 2 c.  = 40 and  = 32
  b.  = 40 and  = 8 d.  = 160 and  = 2

Question 2

For a population with  = 80 and  = 20, the distribution of sample means based on n = 16 will have an expected value of ____ and a standard error of ____.
 
  a. 5; 80 c. 20; 20
  b. 80; 5 d. 80; 1.25

Question 3

What is the standard error of M?
 
  a. The sample mean
  b. The sample standard deviation
  c. The mean of the distribution of sample means
  d. The standard deviation of the distribution of sample means

Question 4

What is the expected value of M?
 
  a. The sample mean
  b. The sample standard deviation
  c. The mean of the distribution of sample means
  d. The standard deviation of the distribution of sample means
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blvanblvan
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6 years ago
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Correct Slight Smile TY
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