Head Injury in a car crash The Head Injury data (in hic) 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 softer?
Head Injury in a car crashThe Head Injury data (in hic) 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 softer?