Emma and Paige began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Emma took a test in Science and earned a 79.7, and Paige took a test in Social Studies and earned a 61.7. Use the fact that all the students' test grades in the Science class had a mean of 71.9 and a standard deviation of 9.8, and all the students' test grades in Social Studies had a mean of 61 and a standard deviation of 9.7 to answer the following questions. a) Calculate the z-score for Emma's test grade. Z [ Round your answer to two decimal places. ] b) Calculate the z-score for Paige's test grade. Z [ Round your answer to two decimal places.] c) Which person did relatively better? OEmma O Paige O They did equally well