The 95 confidence interval for the difference between two ...

[folubunmi]

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]

Answer to Question 1

True

Answer to Question 2

C