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Home Q & A Board Science-Related Homework Help Psychology
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caroline12345 caroline12345
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6 years ago
In a population with  = 8, a score of X = 44 corresponds to a z-score of z = 0.50 . What is the population mean?
 
  a.  = 36 c.  = 48
  b.  = 40 d.  = 52

Question 2

A population of scores has  = 80 . In this population, a score of X = 86 corresponds to z = +2.00 . What is the population standard deviation?
 
  a. 2 c. 6
  b. 3 d. 12

Question 3

A population of scores has  = 44 . In this population, a score of X = 40 corresponds to z = 0.50 . What is the population standard deviation?
 
  a. 2 c. 8
  b. 4 d. 8
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slayer909slayer909
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6 years ago
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caroline12345 Author
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#2
6 years ago
Thank you Jesus, my teacher is bad at explaining
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#3
6 years ago
Praise the LORD ha ha No worries
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