The Highway Loss Data Institute reported the following repair costs resulting from crash tests conducted in October 2002. The given data are for a 5-mph crash into a flat surface for both a sample of 10 moderately priced midsize cars and a sample of 14 inexpensive midsize cars.

a. Compute the standard deviation and the interquartile range for the repair cost of the moderately priced midsize cars.

b. Compute the standard deviation and the interquartile range for the repair cost of the inexpensive midsize cars.

c. Is there more variability in the repair cost for the moderately priced cars or for the inexpensive midsize cars? Justify your choice.

d. Compute the mean repair cost for each of the two types of cars.

e. Write a few sentences comparing repair cost for moderately priced and inexpensive midsize cars. Be sure to include information about both center and variability.

Transcribed Image Text:

Moderately Priced 296 0 0 Midsize Cars 0 0 341 Inexpensive Midsize Cars 1085 148 1065 184 370 513 719 364 295 335 353 0 156 209 243 0 397 305 288