A student received the following scores on five quizzes (each out of 2020): 10.2, 14.2, 19.8, 18.6, and 15.6.
The student has one more quiz to take (also out of 2020) and wants to either have an overall mean of 16.5 or higher or a mean greater than 16 combined with a median of 16.5 or higher.
What is the approximate minimum grade the student needs on the final quiz to achieve either aim?
the answer is 17.6 but with this answer the average is 16 while question is asked for average more than 16