3 For the following set of data, calculate the MEAN, MODE, MEDIAN, RANGE, and MAD.
Round the MAD to the nearest hundredths place,
3,5,6,7,8,9,9,9
MEAN:
MODE:
MAD:
MEDIAN: 7
RANGE:

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.