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Author Question: Which of the following distributions has a smaller variance? a.Graph B b.The graphs both ... (Read 140 times)

appyboo

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on: Jun 24, 2018

  Which of the following distributions has a smaller variance?
 
 

  a.Graph B
  b.The graphs both have the same variance.
  c.Graph A
  d.It cannot be determined from the graphs given.

Question 2


  Assume the distribution of annual vacation days used by employees at a large corporation is normally distributed with an unknown standard deviation . If a sample of 100 employees has a sample mean and a sample standard deviation s = 12.5, what is the estimated standard error of ?
 

  a.12.5
  b.1.25
  c.1.56
  d.0.125


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kjo;oj

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

correct: c

Answer to Question 2

correct: b


appyboo

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

alvinum

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Reply 3 on: Yesterday
Wow, this really help

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