Question 2 Ciara and Kristen began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Ciara took a test in English and earned a 78.9, and Kristen took a test in Math and earned a 70.6. Use the fact that all the students' test grades in the English class had a mean of 71.4 and a standard deviation of 9.8, and all the students' test grades in Math had a mean of 66.8 and a standard deviation of 11.1 to answer the following questions. a) Calculate the z-score for Ciara's test grade. Z = b) Calculate the z-score for Kristen's test grade. Z c) Which person did relatively better? O Ciara Kristen O They did equally well. Submit