sowts8996 sowts8996

11-10-2022
Mathematics

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1.44 make-up exam: in a class of 28 students, 27 of them took an exam in class and 1 student took a make-up exam the following day. the professor graded the first batch of 27 exams and found an average score of 81 points with a standard deviation of 6.2 points. the student who took the make-up the following day scored 64 points on the exam.

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