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Author Question: The sales data for a company measured weekly for the past year would be considered cross-sectional ... (Read 109 times)

maychende

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on: Jun 24, 2018
The sales data for a company measured weekly for the past year would be considered cross-sectional data since the sales values are computed from the entire company.
 
  Indicate whether the statement is true or false

Question 2

Test at the 10 level of significance the null hypothesis that the population mean sales are the same for the four regions.
 
  What will be an ideal response?


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KKcool

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

FALSE

Answer to Question 2

H0 : 1 = 2 = 3 = 4
H1 : i  j for at least one pair (i, j)
Since p-value = 0.1942, we fail to reject H0 at the 10 level of significance, and conclude that the population mean sales are the same for the four regions.


maychende

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Reply 2 on: Jun 24, 2018
Gracias!

bdobbins

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Reply 3 on: Yesterday
Wow, this really help

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