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 problem: 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
