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Author Question: Three different models of automobiles (A, B, and C) were compared for gasoline consumption. For each ... (Read 33 times)

olgamartinez04

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on: Mar 25, 2023

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.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by olgamartinez04 on Mar 25, 2023

DevinBrifm

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Reply #1 on: Mar 25, 2023
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olgamartinez04

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Reply 2 on: Mar 25, 2023
Wow, this really help

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Great answer, keep it coming :)

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