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Author Question: Test the null hypothesis that the three population mean times are equal. Use = 0.05. What will ... (Read 85 times)

imanialler

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on: Jun 24, 2018
Test the null hypothesis that the three population mean times are equal. Use  = 0.05.
 
  What will be an ideal response?

Question 2

For the data given above, the forecast for week 7 is ________.
 
  A) 112 units
  B) 211 units
  C) 121 units
  D) 82 units


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cici

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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 = 0.0209, we reject H0 at  = 0.05, and conclude that at least two of the three population mean times are not the same.

Answer to Question 2

A


imanialler

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

yeungji

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

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