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第三篇醫(yī)學(xué)統(tǒng)計(jì)學(xué)方法-資料下載頁

2024-10-24 14:41本頁面

【導(dǎo)讀】統(tǒng)計(jì)分析包括統(tǒng)計(jì)描述和統(tǒng)計(jì)推斷兩大部分。設(shè)檢驗(yàn)兩個(gè)內(nèi)容。些數(shù)量特征所作的假設(shè)是否成立。尿酸濃度,資料見表9-1。計(jì)算平均值—代表一組資料的平均水平;計(jì)算標(biāo)準(zhǔn)差---反映資料的離散程度。根據(jù)樣本含量的多少確定組數(shù),一般設(shè)8~15組。所繪的圖形見圖9-1。示樣本均值,希臘字母μ表示總體均值。布的數(shù)值型變量資料。據(jù)經(jīng)過對(duì)數(shù)變換后呈正態(tài)分布或近似正態(tài)分布的資料。醫(yī)學(xué)實(shí)踐中某些疾病的潛伏期、抗體滴度、平均效價(jià)等。血清血凝抑制抗體的幾何平均滴度為1:。將觀察值按大小排序后,位次居中的觀察值。

  

【正文】 6歲以下兒童尿鉛值單側(cè) 95%參考值范圍為: (mmol/L) 36 本章小節(jié) 資料類型 描述性統(tǒng)計(jì)量 95%參考值范圍的計(jì)算 對(duì)稱分布,特別是正態(tài)或近似正態(tài)分布資料 算術(shù)平均數(shù) 方差及標(biāo)準(zhǔn)差 正態(tài)分布法: 根據(jù)正態(tài)分布規(guī)律 雙側(cè): 單側(cè)上界: 單側(cè)下界: 適用于對(duì)數(shù)正態(tài)或近似對(duì)數(shù)正態(tài)分布資料 幾何平均數(shù) 幾何標(biāo)準(zhǔn)差 對(duì)數(shù)正態(tài)分布法: 雙側(cè): 單側(cè)上界: 單側(cè)下界: 分布不規(guī)則的資料,分散程度大的資料 中位數(shù) 四分位數(shù)間距或百分位數(shù) 百分位數(shù)法:按排序的位置清點(diǎn)位次 雙側(cè): %~ % 單側(cè)上界 : % 單側(cè)下界: % 6XS?1 .6 4 5XS?1 .6 4 5XS?( lg( ))YX?1l g ( 1 .9 6 )YYS? ?1l g ( 1. 64 5 )YYS? ?1l g ( )YYS? ?37 The end 38 第九章 第一講 《 練習(xí)題 》 實(shí)習(xí)九 數(shù)值變量資料的統(tǒng)計(jì)分析 (1) [內(nèi)容 ] (一 ) 選擇題: 1, 2, 3, 9, 10。 (二 ) 思考題: 1, 2, 6。 (三 ) 應(yīng)用題: 1, 2, 3。 39 u .00 .01 .02 .03 .04 .05 .06 .07 .08 .09 .0013 .0013 .0013 .0012 .0012 .0011 .0011 .0011 .0010 .0010 .0019 .0018 .0018 .0017 .0016 .0016 .0015 .0015 .0014 .0014 .0026 .0025 .0024 .0023 .0023 .0022 .0021 .0021 .0020 .0019 .0035 .0034 .0033 .0032 .0031 .0030 .0029 .0028 .0027 .0026 .0047 .0045 .0144 .0043 .0041 .0040 .0039 .0038 .0037 .0036 .0062 .0060 .0059 .0057 .0055 .0054 .0052 .0051 .0049 .0048 .0082 .0080 .0078 .0075 .0073 .0071 .0069 .0068 .0066 .0064 .0107 .0104 .0102 .0099 .0096 .0094 .0091 .0089 .0087 .0084 .0139 .0136 .0132 .0129 .0125 .0122 .0119 .0116 .0113 .0110 .0179 .0174 .0170 .0166 .0162 .0158 .0154 .0150 .0146 .0143 .0228 .0222 .0217 .0212 .0207 .0202 .0197 .0192 .0188 .0183 .0287 .0281 .0274 .0268 .0262 .0256 .0250 .0244 .0239 .0233 .0359 .0351 .0344 .0336 .0329 .0322 .0314 .0307 .0301 .0294 .0446 .0436 .0427 .0418 .0409 .0401 .0392 .0384 .0375 .0367 .0548 .0537 .0526 .0516 .0505 .0495 .0485 .0475 .0465 .0455 .0668 .0655 .0643 .0630 .0618 .0606 .0594 .0582 .0571 .0559 .0808 .0793 .0778 .0764 .0749 .0735 .0721 .0798 .0694 .0681 表 98 標(biāo)準(zhǔn)正態(tài)分布曲線下的面積 自 ∞到 u的面積 Φ(∞, u), Φ(u, +∞)=1Φ(∞,u) 40 .0808 .0793 .0778 .0764 .0749 .0735 .0721 .0798 .0694 .0681 .0968 .0951 .0934 .0918 .0901 .0885 .0869 .0853 .0838 .0823 .1151 .1131 .1112 .1093 .1075 .1056 .1038 .1020 .1003 .0985 .1357 .1335 .1314 .1292 .1271 .1251 .1230 .1210 .1190 .1170 .1587 .1562 .1539 .1515 .1492 .1469 .1446 .1423 .1401 .1379 .1841 .1814 .1788 .1762 .1736 .1711 .1685 .1660 .1635 .1611 .2119 .2090 .2061 .2033 .2020 .1977 .1949 .1922 .1894 .1867 .2420 .2339 .2358 .2327 .2296 .2266 .2236 .2206 .2177 .2148 .2743 .2709 .2676 .3643 .2611 .2578 .2546 .2514 .2483 .2451 .3085 .3050 .3015 .2981 .2946 .2912 .2877 .2843 .2810 .2776 .3446 .3409 .3372 .3336 .3300 .3264 .3228 .3192 .3156 .3121 .3821 .3783 .3745 .3707 .3669 .3632 .3594 .3557 .3520 .3483 .4207 .4168 .4129 .4090 .4052 .4013 .3974 .3936 .3897 .3859 .4602 .4562 .4522 .4483 .4443 .4404 .4364 .4325 .4286 .4247 .5000 .4960 .4920 .4880 .4840 .4801 .4761 .4721 .4681 .4641 u .00 .01 .02 .03 .04 .05 .06 .07 .08 .0
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