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. 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.

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.

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Shuttle 50-Yard Sofiball Sit-ups Pullups Run 9.6 9.8 Dash Throw 179 f 6.6 173 t Bill Rob 61 17 6.0 Mean Std. Dev. 70 12 0.6 0.3 16 t