rue or False. The following statements are based on a multiple linear model Let

Question

rue or False. The following statements are based on a multiple linear model Let (A), ,Pv) be the least square estimators for the model. (a The Icast squarc ostimator of the slopc coefficient in the added-variable plot for Xk is cqual to k (b) Before applying inverse response plots, we only need to check whether each of X1, . .Xp is symmetric. (c) If the two fittod curves in the marginal model plot do not agree with cach other, our modcl is not. a valid model. (d) If a model has multicollinearity issue, we should drop all insignificant predictors that have large variance inflation factors in a single step to obtain a reduced model.

Explanation / Answer

(a) True

(b) False: Only the distribution of response variable values needs to be considered.

(c) True

(d) True

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