统计学课后作业图表 17页

第二章1•根据麽单位体检资料，116名正常成年女子的血清廿油三酯（mmol/L）测量结果如下，请据此资料：（1）描述集中趋势如何选择指标，并计算之（2）描述离散趋势如何选择指标，并计算之（3）求该地正常成年女子血清甘油三酯的95%参考值范围（4）试估计该地正常成年女子血清廿油三酯在0.8mmol/L以下者及1.5mmol/L以下者各占正常女子总人数的百分比。组段频数0.6~10.7〜30.8-90.9〜131.0〜191」~251.2〜181.3〜131.4〜91.5〜51.6-1.71合计116统计凤（马毅哲）组中值有效116N缺失0均值1.1560均值的标准涙.01898标准差20442方差.0422.5.7500百分位数97.51.5500\n第三章4.为了解DSCT冠状动脉造影和超声心动图检查两种方法测定心脏病患者左室舒张末容积的差别，某医院收集心脏病患者12例，同时分别用两种方法检测其EDV大小如下表所示。问两种方法是的检测结果是否不同？编号DSCT检查超声心动图检查1137.680.52133.277.83136.476.34125.974.55126.580.26130.478.87133.281.28134.179.79128.489.010135.68&411129.290.112130.286.2PairedSamplesStatisticsMeanNStd.DeviationStd.ErrorMesnPairlDSCT拴査131.725123.86271.1151超旦心动圧栓査81.892125.23201.5103PairedSamplesCorrelationsNCorrelationS®PairlDSCT栓直&超三心动圧栓言12-.073.821PairedSamplesTestE毅暂PairedDifferencestdfS3(2-tsiled)MeanStd.DeviabonStd.ErrorF^tean95%ConfidenceIntervaloitheDifferenceLowerUpperPairlDSCT•超芦心动段栓査49.83336.72731.942045.559054.107725.66111.000\n7.将钩端螺旋体患者的血清随机分两组，分别用标准株和水生株做凝溶实验，测的稀释倍数如下，问两组的平均效价是否不同？标准株11人1002004004004004008001600160016003200水生100100100200200200200400400株9人TestofHomogeneityofVariances马毅哲样本LeveneStatisticdf1df2Sig.14.262118.001GroupStatisticsgorupNMeanStdDeviationStdErrorMeany杯准比112.7936.45200.1362892.2676.23533.07844IndependentSamplesTestLevene'sTestforEqualityofVariancest-testforEqualityofMeansFSig.tdfSig.(2-talled)MeanDifferenceStd.ErrorDifference95%ConfidenceIntervaloftheDifferenceLowerUpperyEqualvariancesassumed5.063.037314918.006.52604.16704.17511.87698Equalvariancesnotassumed334515585.004.52604.15725.1919786011\n第四章1.研究动物被随机分成3组来比较对3种不同刺激的反应时间（秒），问动物在不同3种刺激下的反应时间有无差别？刺激I1616141313121217171719141520刺激II67784896864955朿u激III81091067109111191095ANOVASumofSquaresdfMeanSquareFSig.BetweenGroups561.5712280.78667.806.000WithinGroups161.500394.141Total723.07141PostHocTestsMultipleComparisonsDependentVariable:x(I)group(J)groupMeanDifference(I-J)Std.ErrorSig.95%ConfidenceIntervalLowerBoundUpperBoundLSD刺激28.643"769.0007.0910.20剌滋36.357".769.0004.807.91刺激2剌滋1-8.643*.769.000-10.20-7.09刺激3-2.286w.769.005-3.84•・73刺激3刺激1•6.357’.769.000-7.91-4.80刺滋22.286*.769.005.733.84*.Themeandiffereneeissignificantatthe0.05level.HomogeneousSubsetsXgroupNSubsetforalpha=0.05123Student-Newman-Keulsa剌激2146.57刺滋3148.86刺激11415.21Sig.1.0001.0001.000Meansforgroupsinhomogeneoussubsetsaredisplayed.a.UsesHarmonicMeanSampleSize=14.000.\n1.为研究某药物的抑癌作用，使一批小白鼠致癌后，按完全随机设计的方式随机分为4组，ABCD3个实验组和1个对照组，分别接受不同处理，ABC三个实验组分别注射0.5ml1.0ml1.5ml30%的注射液，对照组不用药，经一定时间后，测定4组小白鼠的肿瘤重量，测定结果如下表，问不同计量药物注射液的抑癌作用有无差别？对照组实验组ABC3.63.00.43.34.52.31.81.24.22.42.11.34.41.14.52.53.74.03.63.15.63.71.33.27.02.83.20.64.11.92」1.45.02.62.61.34.51.32.32」HomogeneousSubsetsSubsetforalpha=0.05arouoN12Student-Newman-Keuls3C102.000B102.390A102.510对照104.660Sig..5131.000Meansforgroupsinhomogeneoussubsetsaredisplayed.a.UsesHarmonicMeanSampleSize=10.000.多重比较马毅哲\n因变量:重量(I)分组(J)分组均值差(I-J)标准误显著性95%置信区间下限上限LSD对照A2.1500’.4585.0001.2203.080B2.2700’.4585.0001.3403.200C2・6600’.4585.0001.7303.590A对照•2.1500’.4585.000-3.080・1.220B.1200.4585.795-.8101.050C.5100.4585.273・.4201.440B对照•2.2700'.4585.000-3.200・1.340A-.1200.4585.795-1.050.810C.3900.4585.401・.5401.320C对照26600'.4585.000-3.590・1.730A-.5100.4585.273-1.440.420B3900.4585.401-1.320.540*•均值差的显著T生水平为0.05。第七章1.为研究特发性血小板减少性紫瘢(ITP)与幽门螺杆菌(HP)感染间的关系，某医院收集ITP患儿134例，其中急性74例，HP感染率40.54%；慢性60例，HP感染率65.00%。问两类ITP患者HP感染率有无差别？CaseProcessingSummary马毅哲CasesValidMissinqTotalNPercentNPercentNPercent分组*类型134100.0%0.0%134100.0%\n分组*类型Crosstabulation马毅哲类型TotalHP感染未感染HP分组急性ITPCount304474ExpectedCount38.135.974.0慢性ITPCount392160ExpectedCount30.929.160.0TotalCount6965134ExpectedCount69.065.0134.0Chi-SquareTests马毅哲ValuedfAsymp.(2-sided)SigExact(2-sided)SigExactSig(1-sided)PearsonChi・Square7.936a1.005ContinuityCorrectionb6.9871.008LikelihoodRatio80291005Fisher'sExactTest006.004Linear-by-Linear7.8771.005AssociationNofValidCases134a.0cells(.Oh)haveexpectedcountlessthan5.Theminimumexpectedcountis29.10.b.Computedonlyfora2x2table5某省观察3个地区的花生污染黄曲霉素B1的情况如下表，问3个地区花生的污染率有区别吗？地区未污染污染合计污染率（％）甲6232979.3乙30144431.8丙44408447.6\nCaseProcessingSummary马毅哲CasesWlidMissinqTotalNPercentNPercentrjPercent分组*类型84100.0%0.0%84100.0%分组*类型Crosstabulation马毅哲类型Total污染黄曲霉毒素B1未污染黄曲霉舂素B1分组甲地区Count23629ExpectedCount138152290乙地区Count143044ExpectedCount21.023.044.0丙地区Count3811ExpectedCount5.25.811.0TotalCount404484ExpectedCount40.044.084.0Chi-SquareTests马毅哲ValuedfAsymp.Siq.(2-sided)PearsonChi-Square17.90732.000LikelihoodRatio18.7552.000Linear-by-LinearAssociation14.3151.000NofValidCases84a0cells(.0%)haveexpectedcountlessthan5.Theminimumexpectedcountis5_24\n8.某研究者将PD型乳腺癌患者按不同首发症状分2组，观察其腋窝淋巴结转移情况如下表,问2种乳腺癌患者腋窝淋巴结转移率有无不同？组别+—合计乳头病变3811乳腺肿块5611合计81422CaseProcessingSummary马毅哲CasesValidMissingTotalNPercentNPercentNPercent分坐袞类型22100.0%0.0%22100.0%\n分组*类型Crosstabulation马毅哲类型Total孩焉淋巴踣转多腋离淋巴结未转移分组乳头病变Count3811ExpectedCount4.07.011.0乙地区Count5611ExpectedCount407011.0TotalCount81422ExpectedCount8.014.022.0Chi-SquareTests马毅哲ValuedfAsymp.Sig.(2-sided)ExactSig.(2-sided)ExactSig.(1-sided)PearsonChi-Square.786a1.375ContinuityCorrection0.1961.658LikelihoodRatio.7921.373Fisher'sExactTest.659.330Linear-by-LinearAssociation.7501.386NofValidCases22a.2cells(50.0%)haveexpectedcountlessthan5.Theminimumexpectedcountis4.00.bComputedonlyfora2x2table\n第八章1•下是10名健康人用离子交换法和蒸憎法测定尿汞值得结果，问两种测定方法有无差别?编号12345678910离子0.52.20.02.36.21.01.84.42.71.3交换法蒸0.01」0.01.33.44.61」4.63.42」法RanksNMeanRankSumofRanks葢伽法・1离『空换法NegativeRanks5a5.3026.50PositiveRanks4b4.6318.50Ties1cTotal10a.蕪t■法＜«子交换法b.淹惱法＞1富子交快c.si法=1氏浚法TestStatistics3■法・l离子交换法Z-.474bAsymp.Sig.(2-tailed).635a.WilcoxonSignedRanksTestb.Basedonpositiveranks.\n1.下表资料是某药物治疗两种不同病情的老年慢性支气管炎患者的疗效，问该药对两种病情的疗效是否不同？疗效单纯型单纯性合并肺气肿控制6542显效186有效3023无效1311合计12682Ranks-7心组8加NpMeanRank^SumofRanks^结杲訂单纯型卩126102.8212955.507单纯型合并肺气S中」82107.0S8780.507lotak208p□TestStatistics3^p结果匸Mann-WhitneyUa4954.500WilcoxonWp12955.500Za-.543Asymp.Sig.(2-tailed)^.587a.GroupingVariable:组S加\n4•据下表资料，问3种不同人群的血浆总皮质醇测定值有无差别？如有，做两两比较。正常人单纯肥胖皮质醇增多症0.110.172.700.520.332.810.610.552.920.690.663.590.770.863.860.861」34.081.021.384.301.081.634.301.272.045.961.923.746.62RanksXNMeanRankn正常人109.65单纯性胆胖101175皮质醇増多疔1025.10Total30TestStatistics3,°nChi-SquaredfAsymp.Sig.18.1302.000aKruskalWallisTestb.GroupingVariablesMedianTestFrequenciesX正常人单纯ftsew皮质傅增多症n>Median1410<=Median960TestStatistics^nN30Median1.3250Chi-Square16.800bdf2Asymp.Sig..000a.GroupingVariablesb.0cells(0.0%)haveexpectedfrequencieslessthan5.Theminimumexpectedcellfrequencyis50.\n6.10例食管癌患者在某种药物保护下，做不同强度的放射照射，观察血川淋巴细胞畸变百分数，结果如下表。问三者淋巴细胞畸变百分数有无差别，如有，做两两比较。病例号照射前照射6000Y照射9000y11.00.00.021.018.012.030.06.77.041.20.09.751.029.06.361.017.016.071.05.016.781.06.025.091.010.02.5104.07.09.0DescriptiveStatisticsNfvleanStd.DeviationMinimumMaximumX105.503.028110照射前101.2221.0300.04.0照射6000y109.8709.0352.029.0照射9000y1010.4207.3648.025.0FriedmanTestRanksMeanRankX2.80照射前1.35照射6000y2.90照射9000y2.95TestStatistics3NChi-SquaredfAsymp.Sig.1011.0943.011a.FriedmanTest\n第九章1.某地10名一年级女大学生的胸围（cm）与肺活量（L）数据如下表所示。试建立肺活量与胸围的回归方程，并估计胸围为75cm时相应肺活量均数的95%可信区间以及个体值的95%预测区间。编号12345678910胸围72.578.388.477.181.778.374.873.779.483.9帅活量2.511.913.282.832.863」61.912.983.283」1按型兀总马毅哲横型RR方调整R方标准估计的误差1•504*.254.160.47207a.预测变量：（常虽），胸围X。Anovab马毅哲模型平方和df均方FSig.1回归.6061.6062.720.138a残差1.7838.223总计2.3899a.预测变量：（常量），胸国X。\n系数a马毅哲模型非标准化系数标准系数tSig.B的95.0%置信区间B标准误差试用版下限上限1（常量）-1.4302.559-.559.592-7.3324.471胸国X.053.032.5041.649.138-.021.128a.因变量：肺活量Y\n3两名放射科医生对13张肺部X线片各自做出评定，评定方法是将X线片按病情程度给出等级，结果如下表所示。问他们的等级评定是否相关。X线片编号12345678910111213甲医师+++-+--+++++++++++-+++乙医师+■++++-++++++++++++++-++++相关性马毅哲甲乙甲Pearson相关性显著性（双侧）N136.442".00736乙Pearson相关性显著性（双侧）N.442".00736136**.在.01水平（双侧）上显著相关。