Question: Angelo and Aaliyah began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests.

Angelo and Aaliyah began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Angelo took a test in Science and earned a 76.3, and Aaliyah took a test in Math and earned a 61.3. Use the fact that all the students' test grades in the Science class had a mean of 73.2 and a standard deviation of 10.7, and all the students' test grades in Math had a mean of 66.5 and a standard deviation of 8 to answer the following questions. a) Calculate the z-score for Angelo's test grade. = b) Calculate the z-score for Aaliyah's test grade. = c) Which person did relatively better?

Angelo
Aaliyah
They did equally well.

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