In a class of 20 students, 19 of them took an exam
January 11th, 2018
In a class of 20 students, 19 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 19 exams and found an average score of 82 points with a standard deviation of 5.9 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?IncreasesDecreasesb) 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?DecreasesIncreases