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Author Question: An examination that is so difficult that many people get low scores and only a few get high scores ... (Read 121 times)

nautica902

  • Hero Member
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  • Posts: 591
on: Jun 20, 2018
An examination that is so difficult that many people get low scores and only a few get
  high scores would create a _____ .
 
  a. negatively skewed distribution
  b. bimodal frequency polygon
  c. rectangular distribution
   d. positively skewed distribution

Question 2

When scores represent ratio level of the measurement, the _____ is the preferred measure of
  central tendency and the _____ the preferred measure of variability.
 
  a. mean; range
   b. mean; standard deviation
  c. median; mean
  d. median; standard deviation


okolip

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  • Posts: 362
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


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