(c) Given observations
3, 9, 5, 3,12,10,18, 4,7,19,21
Firstly arranging these observation in ascending order.
3, 3, 4, 5, 7, 9,10,12,18,19, 21
Total term (n) = 11 (odd)
∴ Median(M
d)
=()th term
=()th term = 6th term
=9∴Mean deviation about median
==| 6+6+5+4+2+0+1+3+9+10+12 |
| 11 |
==5.27