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Author Question: Test at the 10 level of significance the null hypothesis that the population mean sales are the same ... (Read 87 times)

jhjkgdfhk

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on: Jun 24, 2018
Test at the 10 level of significance the null hypothesis that the population mean sales are the same for the three marketing schemes.
 
  What will be an ideal response?

Question 2

The right and left edges of the box in a box and whisker plot represent the 3rd and 1st quartiles, respectively.
 
  Indicate whether the statement is true or false


katkat_flores

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

H0 : 1 = 2 = 3
H1 : i  j for at least one pair (i, j)
Since p-value = 0.0736, we reject H0 at the 10 level of significance, and conclude that there is a difference in sales for at least two of the three marketing schemes.

Answer to Question 2

TRUE


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