〖例10-9〗在“核黄素缺乏对于蛋白质利用的影响之研究”中，将体重相近（34-38克），出生三周的大白鼠36只，按照窝别，性别等条件分成12窝，每窝3只，随机分到3个不同饲料组进行喂养，观察记录见表10-9。试进行协方差分析。表10-93组大白鼠的进食量(X,g)与所增体重(Y,g)窝别(c)1-核黄素缺乏组x1y12-限食量组x2y23-不限食量组x3y3123456789101112256.927.0271.641.7210.225.0300.152.0262.214.5304.448.8272.448.0248.29.5242.837.0342.956.5356.976.0198.29.2260.332.0171.147.7214.736.7300.165.0269.739.0307.537.9278.951.5256.226.7240.841.0340.761.3356.3102.1199.28.1544.7160.3481.296.1418.9114.6556.6134.8394.576.3426.672.8416.199.4549.9133.7580.5147.0608.3165.8559.6169.8371.954.3数据文件：ancova3.sav
