Chapter 12.3, Problem 6BSC

Car Crash Tests The following table lists results from car crash tests. The listed values are measures of chest deceleration (in g) categorized by type (whether the car is foreign or domestic) and car size (small, midsize, large). Results from two-way analysis of variance are also displayed. Use the displayed results and use a 0.05 significance level. What do you conclude?

	Size of Car
	Small	Medium	Large
Foreign	44	41	32
	54	49	45
	43	47	42
Domestic	43	43	37
	44	37	38
	42	34	33

MINITAB