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Author Question: Which of the following are reasons that the standard deviation valuable in interpreting test scores? ... (Read 43 times)

erika

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on: Jun 20, 2018
Which of the following are reasons that the standard deviation valuable in interpreting test scores?
 
  1 . It is easy to calculate.
  2 . It indicates the difference between the highest and lowest scores in a distribution.
  3 . It indicates how spread out the scores are around the mean.
  4 . It is not overly affected by extreme scores.
 
  a. 1, 2 b. 1, 3 c. 1, 4 d. 2, 3 e. 3, 4

Question 2

Look at Sandra's first three rules. Write one specific criticism of these rules based on the suggestions for preparing effective rules discussed in the chapter.
 
  What will be an ideal response?


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jennafosdick

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

d

Answer to Question 2

The rules are stated negatively. Stating rules positively is preferable.


erika

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Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

raenoj

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Reply 3 on: Yesterday
Gracias!

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