In a class of 29 students, 28 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 28 exams and found an average score of 81 points with a standard deviation of 7.4 points. The student who took the make-up the following day scored 60 points on the exam. a) Does the new student's score increase or decrease the average? b) The new average is: c) Does the new student's score increase or decrease the standar

Question

In a class of 29 students, 28 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 28 exams and found an average score of 81 points with a standard deviation of 7.4 points. The student who took the make-up the following day scored 60 points on the exam.

a) Does the new student's score increase or decrease the average?

b) The new average is:

c) Does the new student's score increase or decrease the standard deviation of the scores?

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