This preview shows page 1. Sign up to view the full content.
Unformatted text preview: you count down from the largest or up from the smallest or take the average of the middle two.] An 80 on the next exam would bring the mean score down,[ because the 80 is smaller than the current mean grade,] and an 80 on the next exam would make the median 84, so up/down/the same depends on exactly how you calculate the median in the first place. #24. 80 would be the lowest grade that would raise the mean grade. In general, to raise the mean, the next measurement must be larger than the current mean. [The current mean for the student is 79.375.] NOTE: Again, as always, material in does not have to be part of the student's answer....
View
Full
Document
This note was uploaded on 03/19/2008 for the course M 302 taught by Professor Irwin during the Spring '08 term at University of Texas at Austin.
 Spring '08
 Irwin
 Standard Deviation

Click to edit the document details