Mathematics, 05.11.2019 06:31, bodisontbernard

Last week, sarah had exams in math, spanish, and english. on the math exam, the mean was µ = 30 with s = 5, and sarah had a score of x = 45. on the spanish exam, the mean was µ = 60 with s = 8 and sarah had a score of x = 68. on the english exam, the mean was µ = 70 with s = 8 and sarah had a score of x = 70. for which class should sara expect the better grade?

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Last week, sarah had exams in math, spanish, and english. on the math exam, the mean was µ = 30 with...