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Author Question: The outer fences of a box plot are three standard deviations from the mean. A) True B) False ... (Read 101 times)

Yi-Chen

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on: Jun 24, 2018
The outer fences of a box plot are three standard deviations from the mean.
 
  A) True B) False
 
  .

Question 2

The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with a mean of 9.5. Interpret the value of the mean.
 
  A) If we sampled all days, the arithmetic average number of tickets written would be 9.5 tickets per day.
  B) On half of the days less than 9.5 tickets are written and on half of the days have more than 9.5 tickets are written.
  C) The number of tickets that is written most often is 9.5 tickets per day.
  D) The mean has no interpretation since 0.5 ticket can never be written.


xiaomengxian

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

A


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