question: public static double [ ] calculateTStats ( double [ ] coef , double [ ] stderror , int k ) { double [ ] result = new double [ k ] ; for ( int i = 0 ; i < k ; i ++ ) { result [ i ] = coef [ i ] / stderror [ i ] ; } return result ; }
target:  Returns an array of the t-statistic of each coefficient in a multiple linear regression model.