Question 198922
 Are the mean crash damages the same for these three vehicles

To find the answer, you need to find the average damage for each vehicle type.
So, add the data in each column. Then divide by 5 (the number of tests).
If the resulting values are the same for all three models, then the answer is yes. If not, then it is no.

Average for Goliah = {{{(1600 + 760 + 880 + 1950 + 1220)/5}}} = {{{YouTellMe}}}
Then do the same for the other two