Page 236 - Math Grade 11 (Basic)

PROEUS DARA

2 - -2
2 LXi - 2XLXi +LX
s = t tin J"fHHiH1 ~H:~mr:; t'uhsh n
n-1
? - -2 2
LXj- 2XLXi +LX LX -LXi L_;y2
l
2X-+-
n n n n
= =
n-1 n-
n n

2
LX
I 2X2 + _x2 2 2 -2
~ s2 = _n ____ = (LXi - x2) X _n_ = LXi - nX
n- n n-1 n-1
n

~fflre film nmd s s 9 2@ runh ~~filS t61Gt94 '1 t t1 ru~:s·H m'i:3 s n ~H1~~ filst611;ltin~~~
IJ 0101 u u nu u u u
1
C::. ~ tJ I eJ 0 ? ? ,.... 1 0 ~ ~ ~
Mnrunm <J ffiS S rum fililllliTl n filS tnfHS"H s- __,.a- <J l:r:iffititlln~ 1aH~r:i~ ~l:l'i:3~Wfila
~ ~ u ~ &
QlSn.llSn~~~tlifitunru <J tUl611:S8ttfltllQ1Sdlfilr:ittihtsn~~~tstlifi~~ n-1 ~:umg
"""'t.J"' 1 t.J "u
1:
ttiJ M tlh ry 2JffiS t '1{J h G t1 n <J

nhtnhti~ntUS'i:3tll ffiSlflhlSM'i'i:fltl2tisth?i ffifiis A shffiws B <J
01 lJ 4 1J I l.j lR I 1
1
~:r:; ~:~o tu&1 tu run~J 28s s 10 nmti m m n ruga rutsffifiis s'i:3 ru'1 ~:tfi ruffitusohuh ~~61
l_j u IJ lR "-" "' 1 IJ 6V E'l
mLfil'i:3 <J

" ""
ffit\JSA 196 198 198 199 200 200 201 201 202 205
1
" ""
ffit\JSB 192 194 195 198 200 201 203 204 206 207
1

2
L(X;-X)
2
s =---
n-1
X= LXi = 196+198+198+199+200+200+201+201+202+205
n 10
= 2000 = 200g
10

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