Single factor anova for mean crash damages.
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 the mean crash damages the same for these three vehicles?
|
Crash Damage ($)
|
|
Goliath
|
Varmint
|
Weasel
|
|
1600
|
1290
|
1090
|
|
760
|
1400
|
2100
|
|
880
|
1390
|
1830
|
|
1950
|
1850
|
1250
|
|
1220
|
950
|
1920
|