Question: problem 5 ( 2 0 marks ) Suppose that the Ministry of Transport wants to investigate the level of safety of drivers in different sizes

problem 5(20 marks)
Suppose that the Ministry of Transport wants to investigate the level of safety of drivers in different
sizes of cars. For this purpose, crash tests were conducted on a sample of three cars each for compact,
mid-size, and full-size cars. Using the hypothetical data provided below, test whether the mean
pressure applied to a driver's head during the crash test is equal or not for each type of car at a
significance level of 0.025.
problem 5 ( 2 0 marks ) Suppose that the Ministry

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