Significance level to test the null hypothesis

Reference no: EM1399981

Listed below are measured loads (in lb) on the left femur of crash test dummies used in the same cars listed in the Chapter Problem. Use a 0.05 significance level to test the null hypothesis that the different car categories have the same mean. Do these data suggest that larger cars are safer?

Small cars: 548 ; 782 ; 1188 ; 707 ; 324 ; 320 ; 634 ; 501 ; 274 ; 437

Medium cars: 194 ; 280 ; 1076 ; 411 ; 617 ; 133 ; 719 ; 656 ; 874 ; 445

Large cars: 215 ; 937 ; 953 ; 1636 ; 937 ; 472 ; 882 ; 562 ; 656 ; 433

Reference no: EM1399981

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