【简答题】进行一项单因素试验,该实验依据该因素分为4组,每组内有7个观察值,在下面的方差分析表中,计算出所有的缺失值: 方差来源 离差平方和 自由度 均方 F值 组间 组内 SSB=? k-1=? SSE=? n-k=? MSB=frac{SSB}{k-1}=80 MSE=frac{SSE}{n-k}=? F=? 总和 SST=? n-1=? 然后在0.05的显著性水平下,检验这4组的总体均值是否有显著的不...
【单选题】---- Could you be so kind as to close the window? ----- _______.
【单选题】He made a plea _______more time so that he could get the job well done.
【单选题】— Will you do me a favor by putting me up tonight? — _____. [ ]
【单选题】为研究食品的包装和销售地区对其销售量是否有影响,在3个不同地区中用三种不同包装方法进行销售,根据获得的销售量数据计算得到下面的方差分析表。表中“A”单元格和“B”单元格内的结果是
【单选题】—Could you do me a favor to carry a big shelf,please? —______________.
【单选题】Sirs or Madams, We learned from IAC Seoul that you are producing golf wears for export in a variety of materials. There is a steady demand in this country for golf wears of great quantity. If prices b...
【简答题】下面给出一个试验结果(死虫数)及其方差分析表: 请分析一下,方差分析表中存在什么错误?