Three different models of automobiles (A, B, and C) were comparedfor gasoline consumption. For each model of
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Three different models of automobiles (A, B, and C) were comparedfor gasoline consumption. For each model of car, fifteen cars wererandomly selected and subjected to standard driving procedures. Theaverage miles/gallon obtained for each model of car and samplestandard deviations are shown below.
Car A | Car B | Car C | |
| Average Mile Per Gallon | 42 | 49 | 44 |
| Sample Standard Deviation | 4 | 5 | 3 |
Use the above data and test to see if the mean gasoline consumptionfor all three models of cars is the same. Let Alpha = 0.05.
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