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Make-up Exam In a class of 25 students, 24 of them took an exam in class and 1 student took a make-up exam the

 

Make-up Exam In a class of 25 students, 24 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 24 exams and found an average score of 80 points with a standard deviation of 8.7 points. The student who took the make-up the following day scored 58 points on the exam. Did the mean change after this new student took their test?? The new mean is 1. Did the standard deviation increase??

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