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?

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Small Size of Car Medium Large 44 41 Foreign 54 49 24 32 45 43 47 42 43 43 37 Domestic 44 37 38 42 34 33 EXCEL ANOVA Source of Variation SS df Sample Columns Interaction Within 117.5556 154.7778 14.77778 259.3333 Total 546.4444 17 MS F P-value F crit 1 117.5556 5.439589 0.037912 4.747225 2 77.38889 3.580977 0.060318 3.885294 2 7.388889 0.341902 0.717117 3.885294 12 21.61111