SS总= ∑∑2-C=65-46.72=1828 173 SS处= -C=10.95 3 313 SS= C=5.45 6 SS机=1.88 461 C=4.50 9 281 -C=0.11 6 SSxB=SS处-SSA一SSB=6.34 1 88 5 45 6 313 10 95 3 173 65 46 72 18 28 2 . . . . . = = − = = − = =  − = − = 机 区 处 总 SS SS C SS C SS x C SS 6.34 0.11 6 281 4.50 9 461 = A = = − = = − = AB B B A SS SS SS SS C SS C 处 － －