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Author Question: The 95 confidence interval for the difference between two treatment means extends from-2.50 to ... (Read 149 times)

folubunmi

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  • Posts: 524
on: Jun 20, 2018
The 95 confidence interval for the difference between two treatment means extends from-2.50 to +5.50.Based on this information, you can conclude that there is no significant difference between the treatments at the .05 level of significance.
 
  Indicate whether the statement is true or false

Question 2

For a population with  = 80 and  = 10, what is the X value corresponding to z = -0.50?
 
  A) -5
  B) 85
  C) 75
  D) 79.5


kingfahad97

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  • Posts: 308
Reply #1 on: Jun 20, 2018
Answer to Question 1

True

Answer to Question 2

C


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