Suppose ๐ฆ = ๐ฝ0 + ๐ฝ1
๐ฅ1 + ๐ฝ2
๐ฅ2 + ๐ is linear regression
model of weekly food expenditure (y) on weekly
household income (x1
) and household size (x2
). Suppose
also that the coefficients ๐ฝ0
, ๐ฝ1
and ๐ฝ2
are to be estimated
using the method of Least Squares (OLS) estimation.
