First we find mean.
Mean is 10
Find sum of data set.
7+8+8+9+10+10+11+11+12+14=100
Divide the sum by the number of data values: 100/10=10
|7-10|=|-3|=3
We do this for all number. We subtract the data values by mean. We get:
3+2+2+1+0+0+1+1+2+4=16
16:10=1.6
MAD IS 1.6
