田间统计实验sas作业

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1、生物统计与田间试验实验报告实验内容：一、描述性统计某地100例30~40岁健康男子血清总胆固醇（mol·L-1）测定结果如下：4.773.376.143.953.564.234.314.715.694.124.564.375.396.305.217.225.543.935.216.515.185.774.795.125.205.104.704.743.504.694.384.896.255.324.504.633.614.444.434.254.035.854.093.354.084.495.304.973.183.975.165.105.854.795.344.2

2、44.324.776.366.384.885.553.044.553.354.874.175.855.165.094.524.384.314.585.726.554.764.614.174.034.473.403.912.704.604.095.965.484.404.555.383.894.604.473.644.345.186.143.244.90试根据所给资料进行统计描述。SAS程序：data;inputy@@;cards;4.773.376.143.953.564.234.314.715.694.124.564.375.396.305.217.225.543

3、.935.216.515.185.774.795.125.205.104.704.743.504.694.384.896.255.324.504.633.614.444.434.254.035.854.093.354.084.495.304.973.183.975.165.105.854.795.344.244.324.776.366.384.885.553.044.553.354.874.175.855.165.094.524.384.314.585.726.554.764.614.174.034.473.403.912.704.604.095.965.484.4

4、04.555.383.894.604.473.644.345.186.143.244.90;procmeansnmeanrangevarstdcvmaxdec=2;run;SAS运行结果：MEANS过程分析变量：yN均值极差方差标准差变异系数1004.744.520.750.8718.29结果描述：观测个数为100，均值为4.47mol·L-1，极差为4.52mol·L-1，方差为70.57(mol·L-1)2,标准差0.87mol·L-1,变异系数18.29%。二、统计推断用两种电极测定同一土壤10个样品的pH值，结果如下。试问两者有无差异？A电极5.785.74

5、5.845.805.805.795.825.815.855.78B电极5.825.875.965.895.905.815.835.865.905.80SAS程序：data;inputxy@@;diff=x-y;cards;5.785.825.845.965.805.895.805.905.795.815.825.835.815.865.855.905.785.80;procmeanstprtmxdec=2;vardiff;run;SAS运行结果：MEANS过程分析变量：difft 值Pr > 

6、t

7、-4.260.0027结果分析：

8、t

9、=4.26，P<0.01，因此

10、否定无效假设H0：μ=μ0，接受HA，即A、B两电极所测结果有极显著差异。三、方差分析为了研究湿度和温度对黏虫卵发育历期的影响，用3种湿度4种温度处理黏虫卵，采用随机区组设计，重复4次，结果如下表，试进行方差分析。温度历期7相对湿度（%）（0C）IIIIIIIV100（A1）26（B1）28（B2）30（B3）32（B4）93.291.290.792.287.685.784.282.479.274.579.370.467.769.367.668.170（A2）26（B1）28（B2）30（B3）32（B4）89.488.786.388.586.485.386.784

11、.277.276.374.575.770.172.170.369.540（A3）26（B1）28（B2）30（B3）32（B4）99.999.293.394.591.394.692.391.182.781.384.586.875.374.172.371.4SAS程序：data;doa=1to3;dob=1to4;doi=1to4;inputy@@;output;end;end;end;cards;93.291.290.792.287.685.784.282.479.274.579.370.467.769.367.668.189.488.786.388.586.4