样本1样本2样本3158153169148142158161156180154149169H0:123H1:1\\2\\3不全相等总计
结论：不拒
方差分析：单因素方差分析SUMMARY组列 1列 2列 3观测数543求和790600507平均方差15861.515036.66667169121方差分析差异源SS组间618.9167组内598总计1216.917dfMS2309.4583966.4444411FP-valueF crit4.65740.0408778.021517F结论：不拒绝原假设