n X Y XY X^2Y^210.00(0.30)(0.00)0.000.09=2
20.00 3.3066.00400.0010.893
40.00 6.50260.001600.0042.25=4
60.0010.10606.003600.00102.015
80.0013.901112.006400.00193.21=6100.00
17.001700.0010000.00289.000.00
0.00=0.00
0.000.00
0.00=0.00
0.000.00
0.00n=0.00
0.000.000.00a=
b=X ∑Y ∑XY ∑2X ∑2
Y ∑