Question

helpp plzzz what is the mean absolute deviation of the set (12,10,14,4,5)?
a 18.0
b9.0
c 3.6
d 1.8

Answer 1

put the data in order first

Answer 2

4,5,10,12,14

Answer 3

average,\[(4+5+10+12+14)\div5=9\]

\[(\left| 4-9 \right|+\left| 5-9 \right|+\left| 10-9 \right|+\left| 12-9 \right|+\left| 14-9 \right|)\div5\]\[(5+4+1+3+5)\div5=3.6\]

Thus,C

Answer 4

Syderitic good job

Answer 5

@syderitic thanks a lot for ur nice help