【简答题】A ten-year-old boy confessed to his parents that he was 1 with matches on a 2 day in October in southern California. The Santa Ana winds were howling that day, and his carelessness 3 in a fire. That f...
【简答题】为研究食品的包装和销售地区对其销售量是否有影响,在三个不同地区中用三种不同包装方法进行销售,下面是一周的销售量数据: 销售地区(A) 包装方法(B) B 1 B 2 B 3 A 1 A 2 A 3 45 50 35 75 50 65 30 40 50 用Excel得出的方差分析表如下: 方差分析:无重复双因素分析 差异源 SS df MS F P-value F crit 行(地区) 22.222...