3.计算 C=(462)2/24=88935 SS=9614-8893.5-720.5 (110)2(149)2(203)2 组间 8893.5=545.25 8 组内=720.5-54525=175255 3. 计算 SS总 = − 9614 8893.5=720.5 SS组内 = − = 720.5 545.25 175.25 2 2 2 (110) (149) (203) 8893.5 545.25 8 8 8 SS组间 = + + − = 2 C = = (462) / 24 8893.5