Consider the following regression model based on US data from 1961 to 1985:
[hatyₜ = -49.4664 - 2.2392x₁ₜ + 0.88544(70.2936)x₂ₜ + 0.09253(2.6933)x₃ₜ, R² = 0.9979, d = 0.8755] where ( y ) is the .
a) Dependent variable
b) Independent variable
c) Control variable
d) Constant term
