Tire manufacturers want to measure the difference of 3 types of tires is A B C, by each type of auto engine test 5 times. Have the following information:To test that the average lifespan of the tire for 3 different types.
The factory tire manufacturers to measure the difference of rubber 3 type is A B C by each kind of test to the engine automatically 5 times data as follows.To test whether the average lifetime of rubber 3 different kinds or using.