Solution-Calculate the z-score for angela test grade

Calculate the z-score for angela test grade

Reference no: EM132851959

Angela and Chelsea began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Angela took a test in Math and earned a 77.6, and Chelsea took a test in Art History and earned a 68.7. Use the fact that all the students' test grades in the Math class had a mean of 70.9 and a standard deviation of 11.9, and all the students' test grades in Art History had a mean of 63.3 and a standard deviation of 9 to answer the following questions.

a) Calculate the z-score for Angela's test grade.

b) Calculate the z-score for Chelsea's test grade.

c) Which person did relatively better?

-Angela

-Chelsea

-They did equally well.

Reference no: EM132851959

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Calculate the z-score for angela test grade

Reference no: EM132851959

Reference no: EM132851959

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