what is the sum of squares of residuals why do you use sum squares of residuals in regression why is sum squares of residuals used? what is sum of squares of residuals used for why is the sum of residuals used instead of sum of residuals? why use sum of squares in regression why is the sum of squares of residuals used instead of sum of squares of residuals what is the purpose of sums of squares residuals in regression why is it called sum squares regression do residuals change into sums? why do you have a sum of residuals instead of sum? why is residuals referred to as sum squares instead of sum squares why is the sums of residuals used instead of sum of residuals in linear regression? why is linear regression a sum of squares when you use sum squares of residuals why do linear regression use sum squares instead of sum squares why use sum squares of residual values why do you have sum squares of residuals when using sum squares residuals why do you use sum squares of residuals to minimize residuals?