Download presentation
Presentation is loading. Please wait.
1
Mean Absolute Deviation
Mean & Median are “centers” of data. Mean Absolute Deviation or MAD measures the difference of variance between numbers in a data set. Comparing the “centers” to MAD offers more information about the data. Sampling means surveying a part of a group. Multiple samples makes data more accurate.
2
55,95,154,196,250 55 95,154,196,250 55 150 95 95 150 55 154 150 4 196 150 46 250 150 100 300 300/5 60
3
132,153,155,161,169 132 154 22 153 154 1 155 154 1 161 154 7 169 154 15 46 46/5 9.2
4
Mean = 150 Mean = 154 mad = 60 mad = 9.2 Interpreting this data: While the means are close, the MAD number suggests that the Thompson family has a higher occurrence of outliers.
7
Practice finding the mad
Your turn! Practice finding the mad #1-7 Formative grade!
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.