In the bumper test, three kinds of autos were deliberately crashed in a barrier at 5 mph, and resulting damage (in dollars) was estimated. Five test vehicles of each kind were crashed, with results shown below. Research question: Are the mean crash damages the same for such three vehicles?
| Crash damage $ |
|
| Goliath |
Varmint |
Weasel |
| 1600 |
1290 |
1090 |
| 760 |
1400 |
2100 |
| 880 |
1390 |
1830 |
| 1950 |
1850 |
1250 |
| 1220 |
950 |
1920 |