Bill and Rob are good friends, although they attend different high schools in their city. The city school system uses a battery of fitness tests to test all high school students. After completing the fitness tests, Bill and Rob are comparing their scores to see who did better in each event. They need help.

Shuttle 50-Yard Softball Sit-ups Pull-ups Run Dash Throw Bill z1 z1.3 z  0.0 z  1.0 z  0.5 Rob 61 17 9.6 6.0 179 ft Mean 70 8 9.8 6.6 173 ft Std. Dev. 12 6 0.6 0.3 16 ft Bill received his test results in z-scores, whereas Rob was given raw scores. Since both boys understand raw scores, convert Bill’s z-scores to raw scores in order to make an accurate comparison.