Last Week Sarah Had Exams In Math And In Spanish On The Math Exam The Mean Was M

4. Last week Sarah had exams in Math and in Spanish. On the math exam, the mean was m = 40 with s = 5, and Sarah had a score of X = 45. On the Spanish exam, the mean was m = 60 with s = 8  and Sarah had a score of X = 68. For which class should Sara expect the better grade?

 

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