The results below are from the summary statement from a multiple regression of Y on x1, x2, x3. Outline the steps needed to obtain the estimate of the regression parameter for x1 using the concept of partial regression.
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) -0.2029899 8.6811423 -0.023 0.981538
x1 0.0058707 0.0011320 5.186 2.6e-05 *
x2 0.0034436 0.0008569 4.019 0.000502 *
x3 -0.3247098 0.2205033 -1.473 0.153857