卫生统计学卫生统计学 (42).docx
填空题1.观察A、B两种镇痛药物等剂量在产妇分娩中的效果，镇痛时间与相关统计分析结果如下。请问两种药物的镇痛效果是否相同？此题的资料类型为计量资料表1两种药物在分娩中的镇痛时间（min） VA药物100125113115109145132115128127B药物124143155138115159125136115118Tests of Normality组别Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.镇痛时间阳物.17510,200x.97510.929B药物.18710.200x.91210.297a. Lilliefors Significance Correction*. This is a lower bound of the true significance.Test of Homogeneity of VarianceLevene Statisticdf1df2Sig.镇痛时间Based on Mean.812118.379Based on Median.762118.394Based on Median and.762117.628.394with adjusted dfBased on trimmed mean.810118.380Group Statistics组别NMeanStd. DeviationStd. Error Mean镇痛时间物B药物1010120.90132.8012.99116.0264.1085.068Independent Samples TestLevene's Test for Equality of Variancest-test for Equality of MeansFSig.IdfSig. (2-tailed)Mean DifferenceStd. Error Difference95% Confidence Inteival of the DifferenceLowerUpper就病时间 Equal variances assumed.812.3791.82418,08511,9006.52425,6061.806Equal variances not assumed-1.82417,261,08611,9006.524-25.6481.848表1两种饲料喂养家兔体重变化d饲料2个月内各家兔所增体重(kg)2.54.91.50.058.11.11.32.42.91.8普通2.21.22.50.17.81.01.22.10.50.3Tests of Normality分组Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.体重变化高糖组,25810.058.84310.048普通组.29210.015.70910.001a. Lilliefors Significance CorrectionTest of Homogeneity of VarianceLevene Statisticdf1df2Sig.体重变化 Based on MeanBased on MedianBased on Median and with adjusted dfBased on trimmed mean.060.080.080.0461111181817,87818.809.780.780.833Hypothesis Test SummaryNull HypothesisrestSig. DecisionIndependent- Samples Mann- Whitney U TestRetain the.212 null hypothesis.The distribution of 体重变化 is the same across categories of 分组.Asymptotic significances are displayed. The significance level is .05.判断题10 .研究高糖饲料和普通饲料对家兔体重的关系，随机抽取20只家兔进行实验，结果见表1。问两种饲料饲养效果有无差别？此题高糖组所增体重均数为2.655,普通组所增体重均数为1.890,因此可以认为高糖组所增体重高于普通组所增体重，高糖饲料的饲养效果较好(错)表1两种饲料喂养家兔体重变化d饲料2个月内各家兔所增体重(kg)2.54.91.50.058.11.11.32.42.91.8普通2.21.22.50.17.81.01.22.10.50.3Tests of Normality分组Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.体重变化高糖组,25810.058.84310.048普通组.29210.015.70910.001a. Lilliefors Significance CorrectionTest of Homogeneity of VarianceLevene Statisticdf1df2Sig.体重变化 Based on MeanBased on MedianBased on Median and with adjusted dfBased on trimmed mean.060.080.080.0461111181817,87818.809.780.780.833Hypothesis Test SummaryNull HypothesisrestSig. DecisionIndependent- Samples Mann- Whitney U TestRetain the.212 null hypothesis.The distribution of 体重变化 is the same across categories of 分组.Asymptotic significances are displayed. The significance level is .05.判断题11 .研究高糖饲料和普通饲料对家兔体重的关系，随机抽取20只家兔进行实验，结果见表1。问两种饲料饲养效果有无差别？此题假设检验结果尸=0.212,说明高糖组与普通组两种饲料的饲养效果无差别(对)表1两种饲料喂养家兔体重变化d饲料2个月内各家兔所增体重(kg)2.54.91.50.058.11.11.32.42.91.8普通2.21.22.50.17.81.01.22.10.50.3Tests of Normality分组Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.体重变化高糖组,25810.058.84310.048普通组.29210.015.70910.001a. Lilliefors Significance CorrectionTest of Homogeneity of VarianceLevene Statisticdf1df2Sig.体重变化 Based on MeanBased on MedianBased on Median and with adjusted dfBased on trimmed mean.060.080.080.0461111181817,87818.809.780.780.833Hypothesis Test SummaryNull HypothesisrestSig. DecisionIndependent- Samples Mann- Whitney U TestRetain the.212 null hypothesis.The distribution of 体重变化 is the same across categories of 分组.Asymptotic significances are displayed. The significance level is .05.单选题12 .两样本均数比较，经，检验，差别有统计学意义时，P越小，说明(C)A.两总体均数差别越大B.两总体均数差别越小C.越有理由认为两总体均数不同D.越有理由认为两样本均数不同单选题13.两数值变量资料的小样本比较的假设检验，首先应考虑（D）A.用检验B.用u检验C.用秩和检验D.资料是否符合，检验的条件单选题14.在作两样本均数比较时，m、血均小于30、总体方差不齐且极度偏态的资料宜用（D）A.广检验B. t检验C.u检验D.秩和检验单选题15 .成组，检验使用条件为（A）A.正态性、方差齐性B.只要求正态性C.只要求方差齐性D.无条件要求单选题16 .成组检验使用条件为（B）A.正态性、方差齐性B.只要求正态性C.只要求方差齐性D.无条件要求填空题2 .观察A、B两种镇痛药物等剂量在产妇分娩中的效果，镇痛时间与相关统计分析结果如下。请问两种药物的镇痛效果是否相同？此题A药物镇痛时间正态性检验P=0.929, B药物镇痛时间正态性检验。=0.297表1两种药物在分娩中的镇痛时间（min） VA药物100125113115109145132115128127B药物124143155138115159125136115118Tests of Normality组别Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.镇痛时间阳物.17510,200x.97510.929B药物.18710.200x.91210.297a. Lilliefors Significance Correction*. This is a lower bound of the true significance.Test of Homogeneity of VarianceLevene Statisticdf1df2Sig.镇痛时间Based on Mean.812118.379Based on Median.762118.394Based on Median and.762117.628.394with adjusted dfBased on trimmed mean.810118.380Group Statistics组别NMeanStd. DeviationStd. Error Mean镇痛时间物B药物1010120.90132.8012.99116.0264.1085.068Independent Samples TestLevene's Test for Equality of Variancest-test for Equality of MeansFSig.IdfSig. (2-tailed)Mean DifferenceStd. Error Difference95% Confidence Inteival of the DifferenceLowerUpper就病时间 Equal variances assumed.812.3791.82418,08511,9006.52425,6061.806Equal variances not assumed-1.82417,261,08611,9006.524-25.6481.848判断题3 .观察A、B两种镇痛药物等剂量在产妇分娩中的效果，镇痛时间与相关统计分析结果如下。请问两种药物的镇痛效果是否相同？此题A、B两组总体方差齐（对）表1两种药物在分娩中的镇痛时间（min） VAg物100125113115109145132115128127B药物124143155138115159125136115118Tests of Normality组别Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.镇痛时间阳物.17510,200x.97510.929B药物.18710.200x.91210.297a. Lilliefors Significance Correction*. This is a lower bound of the true significance.Test of Homogeneity of VarianceLevene Statisticdf1df2Sig.镇痛时间Based on Mean.812118.379Based on Median.762118.394Based on Median and.762117.628.394with adjusted dfBased on trimmed mean.810118.380Group Statistics组别NMeanStd. DeviationStd. Error Mean镇痛时间物B药物1010120.90132.8012.99116.0264.1085.068Independent Samples TestLevene's Test for Equality of Variancest-test for Equality of MeansFSig.IdfSig. (2-tailed)Mean DifferenceStd. Error Difference95% Confidence Inteival of the DifferenceLowerUpper就病时间 Equal variances assumed.812.3791.82418,08511,9006.52425,6061.806Equal variances not assumed-1.82417,261,08611,9006.524-25.6481.848单选题4 .观察A、B两种镇痛药物等剂量在产妇分娩中的效果，镇痛时间与相关统计分析结果如下。请问两种药物的镇痛效果是否相同？在进行假设检验时，以下何种检验假设是正确的（A）A.H o:两药物镇痛时间的总体均数相同B.Ho：两药物镇痛时间的样本均数相同C.Ho：两药物镇痛时间对应的总体分布相同D.Ho：两药物镇痛时间差值的总体中位数为0表1两种药物在分娩中的镇痛时间（min） VA西物100125113115109145132115128127B药物124143155138115159125136115118Tests of Normality组别Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.镇痛时间阳物.17510,200x.97510.929B药物.18710.200x.91210.297a. Lilliefors Significance Correction*. This is a lower bound of the true significance.Test of Homogeneity of VarianceLevene Statisticdf1df2Sig.镇痛时间Based on Mean.812118.379Based on Median.762118.394Based on Median and.762117.628.394with adjusted dfBased on trimmed mean.810118.380Group Statistics组别NMeanStd. DeviationStd. Error Mean镇痛时间物B药物1010120.90132.8012.99116.0264.1085.068Independent Samples TestLevene's Test for Equality of Variancest-test for Equality of MeansFSig.IdfSig. (2-tailed)Mean DifferenceStd. Error Difference95% Confidence Inteival of the DifferenceLowerUpper就病时间 Equal variances assumed.812.3791.82418,08511,9006.52425,6061.806Equal variances not assumed-1.82417,261,08611,9006.524-25.6481.848单选题5 .观察A、B两种镇痛药物等剂量在产妇分娩中的效果，镇痛时间与相关统计分析结果如下。请问两种药物的镇痛效果是否相同？此题应使用的统计方法为（B）A.配对t检验B.成组，检验C.r检验V）. Wilcoxon符号秩和检验表1两种药物在分娩中的镇痛时间（min） VA药物1OO125113115109145132115128127B药物124143155138115159125136115118Tests of Normality组别Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.镇痛时间够物.17510.200x.97510.929B药物.18710.200".91210.297a. Lilliefors Significance Correction*. This is a lower bound of the true significance.Test of Homogeneity of VarianceLevene Statisticdf1df2Sig.镇痛时间Based on Mean.812118.379Based on Median.762118.394Based on Median and.762117,628.394with adjusted dfBased on trimmed mean.810118.380Group Statistics组别NMeanStd. DeviationStd. Error Mean镇痛时间物B药物1010120.90132.8012.99116.0264.1085.068Independent Samples TestLevene's Test for Equality of Variancest-test for Equality of MeansFSig.IdfSig. (2-tailed)Mean DifferenceStd. Error Difference95% Confidence Inteival of the DifferenceLowerUpper就病时间 Equal variances assumed.812.3791.82418,08511,9006.52425,6061.806Equal variances not assumed-1.82417,261,08611,9006.524-25.6481.848单选题6 .观察A、B两种镇痛药物等剂量在产妇分娩中的效果，镇痛时间与相关统计分析结果如下。请问两种药物的镇痛效果是否相同？请根据软件计算结果，选择合适的指标，并做出统计结论（C）A.P=0.379>0.05,不拒绝Ho，两种药物的镇痛效果相同B.B药物平均镇痛时间高于A药物平均镇痛时间，B药物镇痛效果优于A药物C.P=0.085>0.05,不拒绝Ho,两种药物的镇痛效果相同D.以上说法均是错误的表1两种药物在分娩中的镇痛时间（min） VAg物1OO125113115109145132115128127B药物124143155138115159125136115118Tests of Normality组别Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.镇痛时间够物.17510.200x.97510.929B药物.18710.200*.91210.297a. Lilliefors Significance Correction*. This is a lower bound of the true significance.Test of Homogeneity of VarianceLevene Statisticdf1df2Sig.镇痛时间Based on Mean.812118.379Based on Median.762118.394Based on Median and.762117,628.394with adjusted dfBased on trimmed mean.810118.380Group Statistics组别NMeanStd. DeviationStd. Error Mean镇痛时间物B药物1010120.90132.8012.99116.0264.1085.068Independent Samples TestLevene's Test for Equality of Variancest-test for Equality of MeansFSig.IdfSig. (2-tailed)Mean DifferenceStd. Error Difference95% Confidence Inteival of the DifferenceLowerUpper就病时间 Equal variances assumed.812.3791.82418,08511,9006.52425,6061.806Equal variances not assumed-1.82417,261,08611,9006.524-25.6481.848填空题7 .研究高糖饲料和普通饲料对家兔体重的关系，随机抽取20只家兔进行实验，结果见表1。问两种饲料饲养效果有无差别？此题的资料类型为计量资料,应采用的统计分析方法为符号秩和检验表1两种饲料喂养家兔体重变化d饲料2个月内各家兔所增体重(kg)2.54.91.50.058.11.11.32.42.91.8普通2.21.22.50.17.81.01.22.10.50.3Tests of Normality分组Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.体重变化高糖组,25810.058.84310.048普通组.29210.015.70910.001a. Lilliefors Significance CorrectionTest of Homogeneity of VarianceLevene Statisticdf1df2Sig.体重变化 Based on MeanBased on MedianBased on Median and with adjusted dfBased on trimmed mean.060.080.080.0461111181817,87818.809.780.780.833Hypothesis Test SummaryNull HypothesisrestSig. DecisionIndependent- Samples Mann- Whitney U TestRetain the.212 null hypothesis.The distribution of 体重变化 is the same across categories of 分组.Asymptotic significances are displayed. The significance level is .05.判断题8 .研究高糖饲料和普通饲料对家兔体重的关系，随机抽取20只家兔进行实验，结果见表1。问两种饲料饲养效果有无差别？此题高糖组与普通组家兔所增体重总体均服从正态分布(错)表1两种饲料喂养家兔体重变化d饲料2个月内各家兔所增体重(kg)2.54.91.50.058.11.11.32.42.91.8普通Am .一1.22.50.17.81.01.22.10.50.3Tests of Normality分组Kolmogorov-Smirnov3Shapiro-WilkStatisticdfSig.StatisticdfSig.体重变化高糖组,25810.058.84310.048普通组.29210.015.70910.001a. Lilliefors Significance CorrectionTest of Homogeneity of VarianceLevene Statisticdf1df2Sig.体重变化 Based on MeanBased on MedianBased on Median and with adjusted dfBased on trimmed mean.060.080.080.0461111181817.87818.809.780.780.833Hypothesis Test SummaryNull HypothesisrestSig. DecisionIndependent- Samples Mann- Whitney U TestRetain the.212 null hypothesis.The distribution of 体重变化 is the same across categories of 分组.Asymptotic significances are displayed. The significance level is .05.判断题9 .研究高糖饲料和普通饲料对家兔体重的关系，随机抽取20只家兔进行实验，结果见表1。问两种饲料饲养效果有无差别？此题高糖组与普通组家兔所增体重总体方差齐(对)
