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Author Question: Given the following summary statistics for the mean calcium uptake for two methods, what would be ... (Read 284 times)

Kthamas

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on: Jul 24, 2018

  Given the following summary statistics for the mean calcium uptake for two methods, what would be the degrees of freedom for a two-sample t test of if ?
 
 

  a.df = 8
  b.df = 7
  c.df = 5
  d.df = 9

Question 2


  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 higher than the mean of the treatment group at the significance level.
  d.The mean of the control group is significantly lower than the mean of the treatment group at the significance level.


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Jossy

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

correct: a

Answer to Question 2

correct: d


Kthamas

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Reply 2 on: Jul 24, 2018
Gracias!

momolu

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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