1.

Find the mean deviation by short cut method.

Answer»

SOLUTION :

Let `a=45, h=10`
Arithmetic MEAN `BARX=a+(sumf_(i)(u_(i)))/(sumf_(i))xxh`
`=45+0/40xx10=45`
Mean deviation `=(sumf_(i)|x_(i)-barx|)/(sumf_(i))`
`=400/40=10`


Discussion

No Comment Found