Page 170 - Math Grade 12 (Basic)

PROEUS DARA

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0
x; m 2005 2006 2007 2008 2009
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25.7 26.3 29.7 34.2 38.3

bU X = 0 mh m 2005
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2. uatimam2nns13sstGMm fE:Jrustl't:Hifinn~:usi'itH9n5tS"Jgnbm2o o "~
IJ "' .... IJ ., l.i "' "'
1

, (o, 29.7) . (3, 34.2) sh , 38.3) "'

X; Y; X;Y;

0 25.7 0 0
l 26.3 26.3

2 29.7 59.4 4
3 34.2 102.6 9

4 38.3 153.2 16

5 5
~X;= 10 ~Y; = 154.2 X;Y; = 341.5 i = 30
i= 1 i = 1 = =
1
t ?1 lfl 2 a = --'----"----'-:::--'- = 3 .3 1
l 5(30)-
a = (154.2- 3.31 x = 24.22 "'
5