2.27 Make-up exam: 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 77 points with a standard deviation of 7.5 points. The student who took the make-up the following day scored 63 points on the exam. a) Does the new student's score increase or decrease the average? O Increases O Decreases b) The new average is: (round to two decimal places) c) Does the new student's score increase or decrease the standard deviation of the scores? Decreases O Increases Question Help: D Post to forum Submi All Parts