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Author Question: Refer to Exhibit 6-5. We want to know how spread out or heterogeneous the scores of a class are. ... (Read 125 times)

mp14

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on: Jun 20, 2018
Refer to Exhibit 6-5. We want to know how spread out or heterogeneous the scores of a class are.
 
  a. mean
  c. z-score
  b. standard deviation
  d. Pearsons r

Question 2

Which of these is not an advantage of percentile ranks?
 
  a. they have universal meaning.
  b. they can be interpreted in the context of zero to 100 percent.
  c. equal differences in percentile ranks have the same meaning at all points in the scale.
  d. they are rank statistics.


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prumorgan

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

C


mp14

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Reply #2 on: Jun 20, 2018
Thank you


prumorgan

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Reply #3 on: Jun 20, 2018
No problem :)


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