Manipal MET2016MathematicsStatistics
The mean deviation from the mean for the set of observations -1,0,4 is
Options
- Aless than 3
- Bless than 1
- Cgreater than 2.5
- Dgreater than 4.9
Correct answer
A. less than 3
Step-by-step solution
Mean ( x )= -1+0+4 3 aligned Mean deviation & = 1 3 [|-1-1|+|0-1|+|4-1|] & =2 aligned