... 3, 91Chat luong xe 22 ,3 3244 ,000 2,911 2,65 3, 17Thai do nhanvien 30 ,3 5944 ,000 3, 044 2,84 3, 25Do an toan 22,00244 ,000 2,822 2,56 3, 08Tram xe 25,80244 ,000 3, 133 2,89 3, 385. Liên hệ giữa ... ,128Tram xe 45 3, 13 ,815 ,121One-Sample TestTest Value = 0 t DfSig. ( 2- tailed)MeanDifference95% Confidence Interval ofthe DifferenceLower UpperGia ve 30 ,8 34 44 ,000 3, 667 3, 43 3,91Chat luong ... One-Sample StatisticsN Mean Std. Deviation Std. Error MeanGia ve 45 3, 67 ,798 ,119Chat luong xe 45 2,91 ,874 , 130 Thai do nhan vien 45 3, 04 ,6 73 ,100Do an toan 45 2,82 ,860 ,128Tram xe 45 3, 13...