電大實用衛(wèi)生統(tǒng)計學(xué)復(fù)習(xí)題及答案(本科)小抄參考

1、實用衛(wèi)生統(tǒng)計學(xué)復(fù)習(xí)題（一）一、 名詞解釋（每題5分，共20分）1.抽樣研究2.衛(wèi)生服務(wù)需要3.概率4.等級相關(guān)二、選擇題（每題3分，共30分）1四格表資料的卡方檢驗，其校正條件是（ ）a總例數(shù)大于40b有實際數(shù)為0c有實際數(shù)小于1d有一個理論數(shù)小于5大于1，且n402某日門診各科疾病分類資料，可作為（ ）a計算死亡率的基礎(chǔ) b計算發(fā)病率的基礎(chǔ)c計算構(gòu)成比的基礎(chǔ) d計算病死率的基礎(chǔ)3醫(yī)學(xué)人口統(tǒng)計學(xué)應(yīng)屬于衛(wèi)生統(tǒng)計學(xué)中的哪部分內(nèi)容？（ ）a健康統(tǒng)計b衛(wèi)生統(tǒng)計學(xué)基本方法c衛(wèi)生統(tǒng)計學(xué)基本原理d衛(wèi)生服務(wù)統(tǒng)計4三個率比較的卡方檢驗，若p0.05，則結(jié)論是（ ）a三個樣本率各不相同b總體率之間兩兩有差別c至少

2、有兩個總體率有差別dp1、p2、p3不全相等或完全不相等5配對計量資料，差值分布不接近正態(tài)分布，宜用何種檢驗？（ ）a配對t檢驗 b秩和檢驗cx2檢驗 du檢驗6比較身高與體重的變異程度，適宜的指標(biāo)（ ）a極差b標(biāo)準(zhǔn)差c四分位數(shù)間距d變異系數(shù)7某日門診各科疾病分類資料，可作為（ ）。a計算死亡率的基礎(chǔ)b計算構(gòu)成比的基礎(chǔ)c計算發(fā)病率的基礎(chǔ)d計算病死率的基礎(chǔ)8假設(shè)檢驗中的把握度是（ ）ab1-bd1-9可用于偏態(tài)或不明分布的資料的各評價指標(biāo)諸等級分值的確定方法是（ ）。a綜合評分法b專家評分法c離差法d百分位法10下面哪一個不是問卷的順序（ ）a時間順序b內(nèi)容順序c字母順序d類別順序三、簡答題（每

3、題10分，共20分）1請總結(jié)直線相關(guān)系數(shù)r與直線回歸系數(shù)b的意義及特點？2應(yīng)用相對數(shù)時有哪些注意事項？四、計算或分析題（每題15分，共30分）1某市100名7歲男童的身高均數(shù)為120.0cm，標(biāo)準(zhǔn)差為4.80cm 。問：（1）該地7歲男童身高的95%參考值范圍？（2）若一男童身高為135.0cm，怎樣評價？2下表為某醫(yī)院醫(yī)生和護(hù)士的年齡分布調(diào)查結(jié)果統(tǒng)計表，請根據(jù)統(tǒng)計表制表原則和注意事項指出該表問題所在，并予以修改。實用衛(wèi)生統(tǒng)計學(xué)復(fù)習(xí)題（一）參考答案及評分標(biāo)準(zhǔn) 一、名詞解釋（每題5分，共20分）1 抽樣研究：從所研究的總體中隨機抽取一部分有代表性的樣本進(jìn)行研究，抽樣研究的目的是通過用樣本資料計算

4、的指標(biāo)去推論總體。2 衛(wèi)生服務(wù)需要是人們因疾病影響健康，引起人體正?；顒拥恼系K，實際應(yīng)當(dāng)接受各種衛(wèi)生服務(wù)的需要。（預(yù)防保健、治療、康復(fù)）。3 概率：是指某隨機事件發(fā)生的可能性大小的數(shù)值，常用符號p表示。4 等級相關(guān)是對等級數(shù)據(jù)作相關(guān)分析，它又稱為秩相關(guān)，是一種非參數(shù)統(tǒng)計方法。二、選擇題（每題3分，共30分）1d2c3a 4c5b6d7b8d9d10c三、簡答題（每題10分，共20分）1直線相關(guān)系數(shù)r是說明具有直線關(guān)系的兩個變量詞，相關(guān)關(guān)系的密切程度與相關(guān)方向的統(tǒng)計指標(biāo)。（1分）總體相關(guān)系數(shù)用表示，樣本相關(guān)系數(shù)用r表示，的是的估計值。（1分）相關(guān)系數(shù)沒有單位，取值范圍是-1r0表示直線從左下方向

5、右上方，y隨x增大而增大；（1分）b40，故可用四格表專用公式計算x2值。（2分）x2=（1722-139）261/（30312635）=4.76（1分）（3） 確定p值，作出推斷結(jié)論=（2-1）（2-1）=1查x2界值表，本例x2=4.763.84，故p5.99 （2分）按=0.05檢驗水準(zhǔn)，拒絕h0，接受h1，（2分）認(rèn)為這三種藥物的陰轉(zhuǎn)率不相同。（2分）winger tuivasa-sheck, who scored two tries in the kiwis 20-18 semi-final win over england, has been passed fit after a

6、lower-leg injury, while slater has been named at full-back but is still recovering from a knee injury aggravated against usa.both sides boast 100% records heading into the encounter but australia have not conceded a try since josh charnleys effort in their first pool match against england on the ope

7、ning day.aussie winger jarryd hayne is the competitions top try scorer with nine, closely followed by tuivasa-sheck with eight.but it is recently named rugby league international federation player of the year sonny bill williams who has attracted the most interest in the tournament so far.the kiwi -

8、 with a tournament high 17 offloads - has the chance of becoming the first player to win the world cup in both rugby league and rugby union after triumphing with the all blacks in 2011.id give every award back in a heartbeat just to get across the line this weekend, said williams.the (lack of) air u

9、p there watch mcayman islands-based webb, the head of fifas anti-racism taskforce, is in london for the football associations 150th anniversary celebrations and will attend citys premier league match at chelsea on sunday.i am going to be at the match tomorrow and i have asked to meet yaya toure, he

10、told bbc sport.for me its about how he felt and i would like to speak to him first to find out what his experience was.uefa hasopened disciplinary proceedings against cskafor the racist behaviour of their fans duringcitys 2-1 win.michel platini, president of european footballs governing body, has al

11、so ordered an immediate investigation into the referees actions.cska said they were surprised and disappointed by toures complaint. in a statement the russian side added: we found no racist insults from fans of cska. baumgartner the disappointing news: mission aborted.the supersonic descent could ha

12、ppen as early as sunda.the weather plays an important role in this mission. starting at the ground, conditions have to be very calm - winds less than 2 mph, with no precipitation or humidity and limited cloud cover. the balloon, with capsule attached, will move through the lower level of the atmosph

13、ere (the troposphere) where our day-to-day weather lives. it will climb higher than the tip of mount everest (5.5 miles/8.85 kilometers), drifting even higher than the cruising altitude of commercial airliners (5.6 miles/9.17 kilometers) and into the stratosphere. as he crosses the boundary layer (c

14、alled the tropopause),e can expect a lot of turbulence.the balloon will slowly drift to the edge of space at 120,000 feet ( then, i would assume, he will slowly step out onto something resembling an olympic diving platform.they blew it in 2008 when they got caught cold in the final and they will not

15、 make the same mistake against the kiwis in manchester.five years ago they cruised through to the final and so far history has repeated itself here - the last try they conceded was scored by englands josh charnley in the opening game of the tournament.that could be classed as a weakness, a team unde

16、r-cooked - but i have been impressed by the kangaroos focus in their games since then.they have been concentrating on the sort of stuff that wins you tough, even contests - strong defence, especially on their own goal-line, completing sets and a good kick-chase. theyve been great at all the unglamor

17、ous stuff that often goes unnoticed in the stands but not by your team-mates.it is as though their entire tournament has been preparation for the final.in johnathan thurston, cooper cronk, cameron smith and either billy slater or greg inglis at full-back they have a spine that is unmatched in rugby league. they have played in so many high-pressure games - a priceless asset going into sa