Juwan and Salvador began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Juwan took a test in Math and earned a 77.8, and...

Extracted text: Juwan and Salvador began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Juwan took a test in Math and earned a 77.8, and Salvador took a test in Science and earned a 67.4. Use the fact that all the students' test grades in the Math dass had a mean of 75.7 and a standard deviation of 11.7, and all the students' test grades in Science had a mean of 65 and a standard deviation of 10.6 to answer the following questions. a) Calculate the z-score for Juwan's test grade. b) Calculate the z-score for Salvador's test grade. c) Which person did relatively better? O Juwan O Salvador O They did equally well. Submit Question to search