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Author Question: The problem with measuring dispersion by merely averaging all the deviations between each score and ... (Read 35 times)

rmenurse

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on: Jun 20, 2018
The problem with measuring dispersion by merely averaging all the deviations between each score and the overall mean is that
 
  a. positive and negative deviations will balance out.
  b. squared values make intuitive interpretation difficult.
  c. dividing by (N-1) gives a biased statistic.
  d. There are no problems with measuring dispersion this way.

Question 2

Which of the following is NOT a method of describing data that reduces the role of outliers on the measurement of a data set's variability?
 
  a. interquartile range
  b. boxplot
  c. range
  d. trimmed statistics


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hanadaa

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

A

Answer to Question 2

C


rmenurse

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Reply 2 on: Jun 20, 2018
Excellent

atrochim

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Reply 3 on: Yesterday
Wow, this really help

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