SOLUTION: In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were

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Question 132311: In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the 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
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
----- ---- -----
6,410-6,880-8190
ANSWER IS NO THE TOTAL COSTS AS WELL AS THE AVERAGE COSTS ARE NOT THE SAME.
Answer by checkley71(8403) About Me  (Show Source):