∑xi= 405 x'= 81
∑yi= 1.014 y'= 0.2028
∑xi^2= 51525
∑xiyi= 138.885
b=(n∑xiyi-∑xi∑yi)/[n∑xi^2-(∑xi)^2] =0.003032
a=y'-bx' = -0.04276
y=bx+a=-0.003032x-0.04276
∑xi= 405 x'= 81
∑yi= 1.014 y'= 0.2028
∑xi^2= 51525
∑xiyi= 138.885
b=(n∑xiyi-∑xi∑yi)/[n∑xi^2-(∑xi)^2] =0.003032
a=y'-bx' = -0.04276
y=bx+a=-0.003032x-0.04276