Refer to the body fat example of table 71 employing least

Question

Refer to the body fat example of Table 7.1. Employing least absolute residuals regression, me LAR estimates of the regression coefficients are 

a. Find the Sum of the absolute residuals based on the LAR fit.

b. For the least squares estimated regression coefficients  

b₂ = .6594, lind the sum of the absolute residuals. Is this sum larger than the sum obtained in part (a)? is this 10 be expected'?

Table 7.1