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ia45122 ia45122
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A year ago

Three different models of automobiles (A, B, and C) were compared for gasoline consumption. For each model of car, fifteen cars were randomly selected and subjected to standard driving procedures. The average miles/gallon obtained for each model of car and sample standard deviations are shown below.

 

 

Car A

Car B

Car C

Average Mile/Gallon

42

49

44

Sample Standard Deviation

4

5

3


Use the above data and test to see if the mean gasoline consumption for all three models of cars is the same. Let α = 0.05, and use both the critical and p-value approaches.

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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iffn23iffn23
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ia45122 Author
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A year ago
Just got PERFECT on my quiz
cartoon
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Yesterday
this is exactly what I needed
gmiannotti
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2 hours ago
Good timing, thanks!
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