Page 234 - Math Grade 11 (Basic)

PROEUS DARA

?
2 rx; 2
o =--u
N '

"'
<)
~f:l'i:f12922tl5 7 4 6 9 12 4 10 11 15 17 15 '1 l:f:1M261
~ ~

~~"' rxi 7+4+6+9+12+4+10+11+15+17+15
'i§u~'i§ ~ 61 Mi'Hli fl - - N - - --------::-:--------
u .,
-
11
u=.!l2=10
' 11

2
xi Xi- fl (X,-~t)
7 7-10 = -3 9
4 4-10 = -6 36
6 6-10=-4 16

9 9- 10 = -1 1
12 12-10=2 4
4 4-10=-6 36
10 10-10=0 0
11 11-10=1 1
15 15-10 = 5 25

17 17 10 = 7 49
15 15 10 = 5 25

2
2:(Xi- fl) = 202

02 - 202 - 18.36 '1
- 11 -