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Author Question: The difference between z scores and standard scores is that a. z scores can never be negative, ... (Read 73 times)

go.lag

  • Hero Member
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  • Posts: 667
on: Jun 20, 2018
The difference between z scores and standard scores is that
 
  a. z scores can never be negative, whereas standard deviation scores always
   are
   b. z scores can only be calculated with reference to the mean, whereas
   standard scores relate to the median
   c. z scores can only be calculated with reference to the standard deviation,
   whereas standard scores relate to the variance
   d. none of these, since z scores are standard scores

Question 2

The percentage values on the z score table are only valid when
 
  a. the z scores are positive
  b. the raw score mean equals 50
  c. the raw score mean is greater than 50
  d. the distribution is normal


leannegxo

  • Sr. Member
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  • Posts: 374
Reply #1 on: Jun 20, 2018
Answer to Question 1

d

Answer to Question 2

d


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