QUESTION ! ansider the nudel given by yij = witGij = ututti 1 = 1,2, 1.. a, 1= 1, 2 ,... n with no constraints Here Ti is a paramenter unique to the ith treatment called the itn treatment effect . Define a contrast with coefficients of uis as ous B) Write down the least squares normal equations for this model corresponding to the parameters " Is the parameter in @estimable? If yes, why ? Give the estimate , Is not , when not