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Author Question: From the following Minitab output, what can be concluded regarding the difference in the mean PO2 ... (Read 258 times)

s.tung

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on: Jun 24, 2018

  From the following Minitab output, what can be concluded regarding the difference in the mean PO2 levels for the two populations?
 
  a.The control and treatment groups are not significantly different at the significance level.
  b.The control and treatment groups are not significantly different at the significance level.
  c.The mean of the control group is significantly lower than the mean of the treatment group at the significance level.
  d.The mean of the control group is significantly higher than the mean of the treatment group at the significance level.
 


Question 2


  What are the number of degrees of freedom for the pooled estimator if n1 = 30 and n2 = 40?
 

  a.10
  b.40
  c.30
  d.68


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jrpg123456

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


correct: c


Answer to Question 2

correct: d


s.tung

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

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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