One way ANOVA to test the differences among the means.
In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below. Research question: Are mean crash damages the same for these three vehicles? Crash1
Crash Damage ($)
|
Goliath
|
Varmint
|
Weasel
|
|
1,600
|
1,290
|
1,090
|
|
760
|
1,400
|
2,100
|
|
880
|
1,390
|
1,830
|
|
1,950
|
1,850
|
1,250
|
|
1,220
|
950
|
1,920
|