A Procedure Used to Estimate the Regression Parameters $\beta _ { 1 } \text { and } \beta _ { 2 }$

A procedure used to estimate the regression parameters $\beta _ { 1 } \text { and } \beta _ { 2 }$ and to find the least squares line which provides the best approximation for the relationship between the explanatory variable x and the response variable Y is known as the

A) least squares method
B) best squares method
C) regression analysis method
D) coefficient of determination method
E) prediction analysis method