Day 5 Mean, Median, Mode and Range.notebook
1
April 29, 2013
AIM
Thursday April 25, 2013 - Day 2AIM
SWBAT find measures of central tendency and range of a data
DO NOWRead top of Notes Sheet
#1 and #2 on Notes
HWJanuary 2011 Regents # 16,38,39
June 2011 #1,3,4,5,7,10-13
Day 5 Mean, Median, Mode and Range.notebook
2
April 29, 2013
Apr 269:43 AM
Day 5 Mean, Median, Mode and Range.notebook
3
April 29, 2013
Day 5 Mean, Median, Mode and Range.notebook
4
April 29, 2013
Notes/CW
mean: 62 median: 61.5 mode: 62 range: 13
mean:231 median: 231 mode: no mode
range: 18
He needs to earn a grade of 100 to receive a 90 average.
Day 5 Mean, Median, Mode and Range.notebook
5
April 29, 2013
CW Cont'd
outliers in data affect mean so use this when there are not any outliers and there is a small range.
use the median because there is a large range, and outliers (age 6 and age 80)
outliers do not affect median, therefore use this when you have outliers and a small range.
use the mean because the range is small and there are not any outliers
use mode because you are looking for the item that was preferred MOST
median = 23
mean = $20.80
mode = 27 (Cinnamon Toast Crunch)
Top Related