In Exercise, find the (a) mean, (b) median, (c) mode, and (d) midrange for the given sample data. Express answers with the appropriate units of measurement. Then answer the given questions.

Tests of Child Booster Seats The National Highway Traffic Safety Administration conducted crash tests of child booster seats for cars. Listed below are results from those tests, with the measurements given in “hie,” which is a measurement of a standard “head injury criterion.” According to the safety requirement, the hie measurement should be less than 1000 hie. Do the results suggest that all child booster seats meet the specified requirement?

774 649 1210 546 431 612

Solution 8BSC

The mean crash tests of child booster seats for cars with the measurement hic is703.7 hic.

The median crash tests of child booster seats for cars with the measurement hic are 630.5 hic.We know that mode is the value that repeats maximum number of times in the given data set. Therefore, the median crash tests of child booster seats for...