人衛(wèi)第七版醫(yī)學(xué)統(tǒng)計(jì)學(xué)課后答案及解析-李康、賀佳主編

#u-0.0^⑵計(jì)算統(tǒng)計(jì)雖緡三樣木孔半觀察值統(tǒng)一由爪到大編秩「見卜一表：三繪人的血樂皮質(zhì)醉桃^(nmcl/L)正常單純性月掰皮厭障箱宰述秋次0.410.629.8201941.2102212.2匂2.Q510.E222.S82.4713.€232.89i.l10.514.0253110.54.11414.8263.7125.01615.6273.9135.91715.6284.6157.41921.6297.0181162424.030件計(jì)96.5117.5251u-0.0^⑵計(jì)算統(tǒng)計(jì)呈緡三樣木帥半觀嘉值統(tǒng)一由爪到大編秩,見卜一表：三組人的血漿皮質(zhì)醉桃^(nmcl/L)正常單純性月冊秋撫秋次0.410.629.820194-1.23102212.2匂2.Q510.E222.582.4713.-0232.89盯10.514.0253110.54.11414.8263.712S.0161S6273.9135.91715.6284.6157.419216297.0181162424.030件計(jì)96.5117.5251「心屮jV(N十1jJfl.12f9ft.53I17.5123I112-4-dl1(110ID.圳圧M服從仃由度v=&-l=3-1=2的才分布，査才界值表總5i爲(wèi)，；p=n.fr5水準(zhǔn)，拒絕％,接受f」故可認(rèn)為三總且人的.血漿皮質(zhì)算含雖的忌體分布有差瘵U了.［劈看容峯］門）建立假設(shè)檢驗(yàn)h三組病人的意體散杲相同^,=三組病人的總體效.果不全相同LT=O.OS⑵計(jì)算統(tǒng)計(jì)fib將三個(gè)樣術(shù)的資料統(tǒng)一電小到大跚蘇見下表:二組恵落肺部于術(shù)時(shí)甘麻效果針麻散果聃詞城1數(shù)聊化眾肺曲複■nif平購秩衣肺軸肺化臉肺站核I10244SS2」F24LS4IS1現(xiàn)n1741S5S3^20S144244JS5904幻⑷TIT3336S82W?2■簸249.5474DJS213.5R9S2TV4782*4—3L2303J21221212424會(huì)計(jì)50J-ftS157^1-2ES1SJ17254.52275S\2—對甘zy—TfN十】j用(H嚴(yán)叭]217254.<2275Ea>sI++-3^312+1=5.773I2(312-H)^30105I57.'5.77If=~~~_〒一nT-~**二輔.4$.R2i-S2+123:1^]23+RSs-SS+-l9a-L93123-312

⑶査舂股結(jié)論現(xiàn)EmH,打.服從盯由度fJ-]e=3-1=2Kr^L分和,孔必:呼：宀::口皿按蟲工口仍水準(zhǔn)?拒綻叭，接受盯“風(fēng)心金相同匚第十一章線性回歸與相關(guān)一、單項(xiàng)選擇題答案1.B2.E3.A4.E5.C6.D7.C8.D9.E査/界■值表總爲(wèi)嚴(yán)丄嘰故可認(rèn)加三組病人的息林效10.D11、B12、D13、A14、B査/界■值表總爲(wèi)嚴(yán)丄嘰故可認(rèn)加三組病人的息林效10.D二*計(jì)算與#frH1.身話恥,體重為譏工丫：=40469XY-U5KS5■KA公式（11-㈢至（11-叨得:JI二斗04仞FE由公式.g工丫：=40469XY-U5KS5■KA公式（11-㈢至（11-叨得:JI二斗04仞FE由公式.g-対｝計(jì)算相關(guān)聚數(shù)SDO.^SvBD>^448.2^=D.S34-卜雨釆用t檢驗(yàn)法對相關(guān)系數(shù)謖行檢驗(yàn)*⑴建立檢驗(yàn)假■浚兀：P=4即身商與體宣之同不存在銭性相黃關(guān)募碼：尸丄（J?即身鬲與停重乏聞春在線性相關(guān)關(guān)墓

2計(jì)算統(tǒng)計(jì)量|O.S?4-Olfuiu4.7799fl-0.R34-1\12-2二12-2；..10〔對碗定尸值，作出結(jié)論査f界僅磊為仏論廠注吐2認(rèn)"”P50DH,胺"血皿水龜拒絕兀,攥受W廣可以認(rèn)対女青年身高與體重2閭存在很密切的正相關(guān)關(guān)系匚2.jt著告案］進(jìn)俊雖為X,增重雖対匚H=11.X站Y1=fififigS7S7^y=1S70,工F-_25S0S0,童F=J30924R由公式（11-⑸至｛1L⑺計(jì)算可得:刊匹疋■匡zL伽跡跡=7J9+1.363=4^43刊匹疋■匡zL伽跡跡=7J9+1.363=4^43托布II小，旦Egtl由控式血T4）社算相羌由控式血T4）社算相羌O；rJ-63S4.364=0.8SIV7SM23fi3k.4S43.836卜而;n査表註對相關(guān)系數(shù)透:廳臉驗(yàn)土新“耶I,?=11,k=11-2=9査『界值表，得也叫嚴(yán)"“，固心％屈計(jì)故和“加水準(zhǔn)，拒絶％議受可以認(rèn)為大白禺的進(jìn)債星與林重的增加量之廚存在很其的正的相黃性■:很卅上表中的數(shù)擱繪制了-卜而的散點(diǎn)酣，由此圏可以君出‘大白鼠的進(jìn)伶雖與增重命之聞?dòng)泄凤@的線性超勢，故可坍垮慮建立的線性回（方程*由上述汁算=75943.63.fi,1^=163643S4=454J.t?6.Y=774.1J?2,y=15^.S1&優(yōu)人公式（口巳）和如）得::

心51^(54，號4=0.21575943,.fi3fiH—hX=E3].BIS-0-.2I5X7T4.EK2=.[M13則回殳」方程為：?=-15.flO3+O.215XSW■■?'SW■■?'-加1Oli'-97ffifi1d?dIS■3SI4叫-晟后，采用方差分析法對回歸方程作檢驗(yàn):(1)建立假設(shè)檢驗(yàn)；D；打，：仔芒。衛(wèi)<E005r⑵計(jì)算魏計(jì)莊反4W磁用加M皺.陰%牡-牡-斎陽=^017.437r=卜U_”…暉..曲二閏.|眩HS"財(cái)伽片眸-S=5葩定戶值，得出結(jié)論査F界值表，F(xiàn)g諷宀恥，尸》碼點(diǎn)治”mg拒絕叭，接受廳「說明大白鼠的謹(jǐn)食呈與體重増加雖之同存在線性回婦關(guān)?系，也軌是說,可陽用大白鼠的進(jìn)燈呈來估計(jì)其體虞的増加呈.3.[#*#<]身髙為帛體垂％叫由題意=1和，4,Sj=￡.61；r=37.04,^=6.fi7,r=0.74由身為推休重的回歸慕數(shù)為毎，.V,.V,&GI蟲怵重推身高的回歸康數(shù)嘰剛0.7+xS.fii0.7+xS.fii—0.95S6.A7第12章：多元線性回歸一、單項(xiàng)選擇題答案1.E2.E3.D4.B5.D6.A7.B8.D9.D10.C11、B12、E13、A14、C15、E二、計(jì)算與分析1［參考谷案］(1>型！f^2.114^0135^+0.923X2⑵模型槍驗(yàn)辛回歸方耗的方曲分析衷變界來源/>'C150.5SS4275.442161540.001142.03344670總變捽1929!了91偏冋「系數(shù)檢g缶幗冋歸柬數(shù)恰汁結(jié)果軸冋歸黍故標(biāo)準(zhǔn)觀!P常數(shù)頊2H45.C4K0.42Q6R53n.1350.0472.S6(I01H700230.4JS42A3{1,0624(P復(fù)相關(guān)乘數(shù)心0話44：決定系數(shù)Z?=0.782］⑷身尚的標(biāo)布化儘回曠f系數(shù)為0564i無魏的標(biāo)戰(zhàn)化偏回片系數(shù)為0沖閃2,I參考答案］(1)作K時(shí)兀,兀I兀的技荒線性|訓(xùn)歸分析，得模型’｝；--0.82910.233X^1.325^-0.124.V.-2385^模里栓驗(yàn)七回舊力稅的力一苯分析芨變界來預(yù)￡rMS'F戶問舊慳卻44632.a)2"90.000214^1625572.S0總變異32B47卻偏冋口系數(shù)檢驗(yàn)僞同味系數(shù)姑計(jì)紬只自斑ffiiiiin系數(shù)標(biāo)阡誤1F1常遠(yuǎn)項(xiàng)心加47.773-U.O2?.^X63X、心30|97MaD24貓33250,2124.70<0.00014.1242783-0.040J&47-2.3*50,765-3J2fl.0045口變屈對囚變吊的HI歸具有統(tǒng)訃學(xué)總丈。模出肚定奈數(shù)^=0.5641復(fù)柑關(guān)垂數(shù)為/^OJSJK作〔對才「忑一尤“的影元線性□歸分析，得模熨：E=-2」二2+0￡甜昭-00幻XAtug4兒-W1W模塑檢驗(yàn)*回歸片棒的方葦分析表斐畀來源XVMNFP回歸4352.5814109&J45吐49<Q.O(XM122MS62548^35總變異5613.4672y俯回歸系數(shù)檢臉；館id舊慕數(shù)活計(jì)姑采E愛量偏冋歸喬數(shù)林準(zhǔn)i吳1廠常數(shù)頊-2.IS2131)51-015Q.87980.4K30.O5R8J9<00001-00*3OOS2-0&40.5279-0.2940filS-0.360,7203扎-0,4150.223亠860.0749口找葷X1對因變暈的冋旳具育斬訃學(xué);fSSG模型決定系數(shù)^-0.7825,￡相關(guān)殺數(shù)R-0^46

⑵件―片対兀，鳳，扱的逐步冋.0」分析?^Y3=YJYlt篩選變量的水平為.得“最優(yōu)”模型：?^0.35543+0.00264.￥1-0.00363^2+0,00333^多元逼步回片用羞分析表變異系源SSrMSrP回歸0.28335j0.0944546.85<0.0001誤埜0.05242260.00202總蜚異0.3357729多噸逐歩回歸結(jié)果變雖偏回歸系數(shù)標(biāo)海謨F尸常數(shù)0.355430.0SS4716,14000040.002640.00035S7654.13<0.0001Y：-0.003630.00(1483645636<0.00010.003330.001217200.0120模型決定黍故ZS439,復(fù)柑吳系數(shù)為歸0Q甩仏第十三章logistic回歸分析一、單項(xiàng)選擇題答案1.A2.E3.C4.D5.E6.C7.B8.A9.B10.A11、E12、E13、C14、E15、E二.計(jì)算與分析L［參考答案］采用S卩監(jiān)進(jìn)行數(shù)據(jù)分析應(yīng)變帛為“擰效：自變竜為“病情苗11“藥物J稈變量賦值如下占.［0.甲藥0,無效病情二'h酬藥物Mh乙藥b重，2,丙藥0,無效數(shù)據(jù)格It：12fi,4?lJ（病人例數(shù)，療效?病情，藥物）。加站、集申選項(xiàng)t左丈頻數(shù)空樂Daia^Weightcases—?wei^litcas￡fby病人例數(shù)LogisticBllLkAaalyze—*Regression-+BinaryListicDgp■制恥tit；療效Covariatesi病情”藥物Cate^oricaliCategoricalVariales;藥物ContrastsIndicaiorReferenceCaiegory；FirstlogisticIdFl參數(shù)估計(jì)結(jié)耒固素X回問系散bXVM眩P值OR恆■ORf?L95%nr信IM間卜限上限常數(shù)頊*1.8%0.220745450.00001?0或物弼巧490.00D乙藥2.2600.246&46940.0009.5835.92215.508丙藥1.9370.2396^81*）0.00D69414346II083病情12K9仇】9742.64<J0.0003.S302.4633.344以上結(jié)果珂知.Logistic冋一門方程為：Logit(P)=-1869+1289病悄42.260^55+1937肉藥校帀病情例素后?乙藥與甲藥比，出現(xiàn)何效的優(yōu)穢比為比筒嘉丙藥與甲藥比”山現(xiàn)有■效的優(yōu)勢比為$941,因此，乙藥優(yōu)于丙藥，肉藥優(yōu)于甲芮"校止蜀物因然后.輕折1#七重犧惜比，出現(xiàn)有效的優(yōu)欝比^3.63,茄情輕的療敗妹于病惜直的'若病怙由直別輕?則藥物的右效灶將A3.63倍。2.［參罟答案］來用SPSS進(jìn)行數(shù)搦分析數(shù)據(jù)搟式；6017,8列(乩區(qū)「■監(jiān)總坨「兀瓶SPSS粟單逵項(xiàng);L*gi$ticI叫AnaIyz<—Rc^i'e^5.15nT￡JinaryLogi^icDependent；YCovariaies：Xi,X芬.抵A4,X^rA?Merliod-Forward*LROptions卩ropabilitySicpw-iMEntry:0.1Removal0.1Clforexp(B):91%白變晝笳選結(jié)出見下法logistic冋1閂聲數(shù)估iI結(jié)杲聞歸系雜b標(biāo)準(zhǔn)誤皿OF值-加值鈣％可伯區(qū)間卜限上限常數(shù)項(xiàng)-3525□泅S.7940.0050^9J.255U.f>3］3.9590.0473.507I.0J91206KJ.WG.6312.7470.0972.S4K0.S269.8203J44IJ577.3K7Q.m23.20S1404224,0^采用訶遙法篩選變彊.入選?K準(zhǔn)：別除水準(zhǔn)七a=0.l,最終篩選的變童.爍Xp略II中掄｛高血壓蟲〉利盡｛動(dòng)物脂肪攝入｝具有統(tǒng)計(jì)學(xué).戳匯丄勻工心肌旋的倒諭因素冇崗血壓史的人患燦淡的風(fēng)險(xiǎn)足段冇舄血壓足的人的M507倍:高動(dòng)拘脂.肪攝入的人.世心腮炎的鞏險(xiǎn)足低動(dòng)物脂肪攝入人群的23.208倍。3.f參考答案]釆用SPSS進(jìn)行數(shù)據(jù)分析數(shù)據(jù)格式；曲伉4列t配對編號’如屜門°SP資菜虹選項(xiàng)；產(chǎn)主主存時(shí)冋變旱rime：TransformCompuie^?titne=2-Y斗存分析：Analyze—*SurviveI—*€o?cregressionTime：timeStatus!YDefineevent:Singlevalue:1Co-variates：X\、&Mciiiod：EnterStrata:配對編號Options：Crfore?tp(B):logisticPUJ#數(shù)估計(jì)結(jié)耒見卜表logistic冋歸參數(shù)估計(jì)結(jié)果X回歸忝數(shù)h標(biāo)準(zhǔn)娛真Wald/2P値值O/?值95魅可信區(qū)間卜隈上限0.54006650&600.41617170.4666320X]1.01206822.2040.13S2.7520.72310.474從分析結(jié)果來看?以現(xiàn)冇數(shù)據(jù)不能認(rèn)為髙血壓和肥『F?是輔尿病的危険園紊。第十四章生存分析一、單項(xiàng)選擇題答案1.A2.D3.C4.D5.B6.C7.B8.C9.B10.B11、E12、C13、B14、D15、E

二.計(jì)算與分析案］KA1也廿算針呆歸下：Survivalrable分jflTime戎筑IU5CumuialftoporlionSurwivinaatthaTlmsN就Cumukilv^EuenitsNcfRerr^ningCasesEslimateSid.Error12JWQ1524PW按點(diǎn).933Q64114?&0Klife■■11346.OK栽鬼.11256.OK燉點(diǎn).856.0952115竄Cw悴點(diǎn),773114310?ACMr3&&IQlMHn.'iFVmiiiesi.130斗8012.OM.471013.OW絆點(diǎn)5?31445e1114OMd$4.150$5f5n&DM.641324.OK)鴨點(diǎn).370.1E573142CtX?.247.144&215.123，曲申11￡43QM90f1.0W>1片.9C0.0951922OK1833DM糞點(diǎn).76B1342746.&K.67515536S7.0M舷占-1rniri.563.16S45g7.0tX}就甩.44711WW42217453B11&K.55913.aw典氐211.173e11017.000典-占,OOD.00070CE—8ui￥i￥fl.lFunctianii?DOIJI尹酣_T17fl5*?CE—8ui￥i￥fl.lFunctianii?DOIJI尹酣_T17fl5*?+^ntlppniiprl—|—YfhJticra1“rrdTime{fl):ai￡J-CJ岳Chi-SquarectfSiqLogR3hk7M3rt&4-Coi()5.2B51.022Bi&siaw(Gen&ralisedWilc