True or false II If false, explain briefly. a) Some of the residuals from a least squares linear model will be positive and some will be negative. b) Least Squares means that some of the squares of...

True or false II If false, explain briefly.

a) Some of the residuals from a least squares linear model will be positive and some will be negative.

b) Least Squares means that some of the squares of the residuals are minimized.

c) We write y n to denote the predicted values and y to denote the observed values.