Wyatt and Brayden began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Wyatt took a test in Science and earned a 81.4, and Brayden took a test in Art History and earned a 65. Use the Fact that all the students' test grades in the Science class had a mean of }'1.1 and a standard deviation of 9.9, and all the students' test grades in Art History had a mean of 62.8 and a standard deviation of 8.8 to answer the following questions. a] Calculate the z-score for Wyatt's test grade. .2 b} Calculate the z-score for Brayden's test grade. .2 c} Which person did relatively better? (:3 Wyatt O Erayden O They did equally well