Statistics: Analysis of Variance – #401


Question: Chest Deceleration in a Car Crash. The chest deceleration data (g) are given below. Use a 0.05 significance level to test the null hypothesis that the different weight categories have the same mean. Do the data suggest that larger cars are safer?

Subcompact 55 47 59 49 42
Compact 57 57 46 54 51
Midsize 45 53 49 51 46
Full-size 44 45 39 58 44

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