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Author Question: Test at the 5 level, against the obvious one-sided alternative, the null hypothesis that, all else ... (Read 146 times)

RODY.ELKHALIL

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on: Jun 24, 2018
Test at the 5 level, against the obvious one-sided alternative, the null hypothesis that, all else being equal, advertising does not affect expenditures on clothes in this market.
 
  What will be an ideal response?

Question 2

Determine the average time a customer spends in queue 1.
 
  A) 3 minutes 28 seconds
  B) 4 minutes 42 seconds
  C) 5 minutes 5 seconds
  D) 2 minutes 58 seconds


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pangili4

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

H0 : 2 = 0, H1 : 2 > 0
t = 0.025 / 0.020 = 1.25
Reject H0 if t > t23,0.05 = 1.72 therefore, do not reject H0 at the 5 level. We conclude that advertising does not affect expenditures on clothes in this market.

Answer to Question 2

A


RODY.ELKHALIL

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Reply 2 on: Jun 24, 2018
:D TYSM

Dominic

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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