描述统计学实验--散点图与回归分析.xls
题目1:利用Excel在word中绘制下列数据的频数分布三线表、条形图和饼图频数分布三线表的内容包括频数、相对频数和百分数频数以及合计数50个人的姓氏分布姓姓氏氏1 Brown2 Smith3 Davis4 Johnson5 Williams6 Williams7 Johnson8 Jones9 Davis10 Jones11 Williams12 Jones13 Smith14 Smith15 Davis16 Johnson17 Smith18 Jones19 Jones20 Johnson21 Williams22 Smith23 Brown24 Smith25 Johnson26 Jones27 Smith28 Smith29 Williams30 Brown31 Williams32 Johnson33 Williams34 Johnson35 Williams36 Smith37 Brown38 Smith39 Davis40 Johnson41 Brown42 Smith43 Johnson44 Brown45 Johnson46 Brown47 Jones48 Davis49 Smith50 Davis题目2：用组12-14,15-17,18-20,21-23和24-26来构建频数分布、累积分布要求做出三线表，三线表的内容包括（累积）频数、（累积）相对频数、（累积）百分数频数分布数据样本如下14241822191816222417151619232416162621162022161224231925202521192125232422192020要求做出三线表，三线表的内容包括（累积）频数、（累积）相对频数、（累积）百分数频数分布题目3：利用excel，作出x和y之间的散点图，并给出线性拟合的公式Observationxy1-22222-3349328429-165-1310621-287-13278-2335914-5103-311-37481234-29139-1814-33311520-1616-31417-151818121719-20-1120-7-22SUMMARY OUTPUT回归统计Multiple R0.81337266R Square0.661575084Adjusted R Square0.6427737标准误差12.694911观测值20方差分析dfSSMSFSignificance F回归分析1 5670.8562255670.856225 35.187573191.29603E-05残差18 2900.893775161.1607653总计198571.75Coefficients标准误差t StatP-valueLower 95%Intercept0.886204109 2.9442978710.300989964 0.766871299-5.299536172X Variable 1-0.707817421 0.119323667-5.931911428 1.29603E-05-0.958507142线性拟合公式y=0.8862-0.7078xX X与与Y Y的的散散点点图图403020100-10-20-30-40-50-40-200204060X XY YX与Y的散点图Significance FUpper 95%下限 95.0%上限 95.0%7.07194439-5.2995361727.07194439-0.457127701-0.958507142-0.457127701X X与与Y Y的的散散点点图图403020100-10-20-30-40-50-40-200204060X XY YX与Y的散点图
