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2014-06-03T21:59:02+07:00
JUMLAH DATA= 165 x 10 = 1650
 \frac{1650-a}{9} =166
a=166-18,3
a=148,7

1 5 1
2014-06-03T22:00:57+07:00
(10 X 165) - ( 9 x α ) = 166
1650 - 9α = 166
1650 - 166 = 9α
1484 = 9α
1484 : 9 = α
164,88 = α
α = 164,88

dibulqtkqn jd α = 165 cm