which statement best describes an overdetermined system? how is the generalized least squares system used when a problem is above-determined what is the solution? what is the formula for the least squares equation on a regression table how to solve the underdetermined regression problem what is the generalized least squares formula what is the definition of generalized least squares which equation should i use for overdetermined system what is the formula to overdetermined system what is the formula for the least squares what is the formula for the least squares in a regression equation what is the formula for least squares which is equivalent to the least squares in regression hat least squares definition what is the sigma equation what is the equation of the underdetermined system in excel what is the generalized least squares rule in excel how to find the glsd value can a standard regression equation be used with an underdetermined system? what is the generalized least squares equivalent to?