z-scores. Comparing z-scores, which test did she do better on
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A student took both the SAT and ACT before applying to college. For her graduation year, the
mean SAT score was 1050 with a standard deviation of 210. The mean ACT score was 20.5 with a
standard deviation of 5.5. Given that she scored 1120 on the SAT and 25 on the ACT, calculate
her z-scores. Comparing z-scores, which test did she do better on?
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