Given the following details about a multiple regression model based on a sample of 19 observations : bo = 17, b, = 4, b, = -3, b3 = 8, Sum of squares due to error =177,and Sum of squares due to regressior = 850 Find the mean square error (MSE) : Select one: O a. 60.71 O b. 12.64 Oc. 56.67 d. 11.80

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