醫(yī)學(xué)統(tǒng)計(jì)學(xué)計(jì)算器的使用

1、2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室1計(jì)算器的使用sharp 5092021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室2psection a p11-15: d b c c bp16:20:d b a b ap21-25: d c a b dpsection bp26-30:d a c d bp31-35:c c a d c2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室3psection c:p36.nevertheless 37. millions p38. demanding 39. whether p40. trapped 41. release p42. pressure 43.

2、 equipment 2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室4p44. fire fighters are hired by local governments. some small cities and towns use volunteer fire fighters.p45. beginning fire fighters make between $ 10,000and $ 12,000, and they generally reveive regular raises.p46. the tests are given to men and women who meet t

3、he height and weight standards and have high school degrees. 2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室5一、注意事項(xiàng)p輕拿輕放，愛惜顯示屏p遠(yuǎn)離高溫、潮濕和多塵的環(huán)境p怕水2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室6二、該計(jì)算器的特點(diǎn)p雙行顯示：過程一行，結(jié)果一行 3+5=8p完全按手寫的方式輸入： log100=2；35-2=13；p多行重現(xiàn)p編輯方程8193822021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室7三、基本的功能鍵介紹p第二功能指令鍵，當(dāng)按下鍵，表示所有以桔黃色顯示的功能處于調(diào)用狀態(tài)。pexample：2021

4、-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室8三、基本的功能鍵介紹p雙曲函數(shù)鍵p當(dāng)按下鍵，表示雙曲函數(shù)可使用p當(dāng)按下2ndf 鍵，表示反雙曲函數(shù)可使用2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室9三、基本的功能鍵介紹p當(dāng)按下鍵，表示可調(diào)用存儲(chǔ)內(nèi)容或調(diào)用統(tǒng)計(jì)數(shù)據(jù)2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室10三、基本的功能鍵介紹p模式選擇鍵p進(jìn)行統(tǒng)計(jì)運(yùn)算2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室11三、基本的功能鍵介紹2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室12三、基本的功能鍵介紹p角度選擇鍵2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室13三、基本的功能鍵介紹p計(jì)數(shù)法選擇鍵2021-1

5、1-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室14三、基本的功能鍵介紹隨機(jī)函數(shù)鍵2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室15四、存儲(chǔ)功能p最終答案存儲(chǔ)器（ans）：按“=”或其他計(jì)算終止的指令，計(jì)算值會(huì)存儲(chǔ)在最終答案存儲(chǔ)器。p暫時(shí)存儲(chǔ)器，8個(gè)pa、b、c、d、e、f、x、yp存儲(chǔ)結(jié)果：stop調(diào)出結(jié)果：rcl或alphap獨(dú)立存儲(chǔ)器（m），1個(gè)：2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室16五、清除功能p del：一個(gè)字符一個(gè)字符的清除p on/c：清屏p 2ndf ca: 清屏，清除暫時(shí)存儲(chǔ)器，最終答案存儲(chǔ)器p 0 sto m：清除獨(dú)立存儲(chǔ)器p 2ndf m-clr：p 0 mem 0 清除全

6、部變量p 1 reset 0 將保存在存儲(chǔ)器中的所有數(shù)據(jù)全部清除，并恢復(fù)到默認(rèn)的設(shè)置。p 注意：執(zhí)行模式轉(zhuǎn)換時(shí)，暫時(shí)存儲(chǔ)器、最終答案存儲(chǔ)器、統(tǒng)計(jì)變量、統(tǒng)計(jì)數(shù)據(jù)也會(huì)被清除。2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室17六、單變量統(tǒng)計(jì)運(yùn)算p單變量統(tǒng)計(jì)運(yùn)算步驟p1、選擇模式mode 1 0p2、清零 2ndf cap3、輸入數(shù)據(jù)p4、調(diào)出結(jié)果2021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室18六、單變量統(tǒng)計(jì)運(yùn)算p例2-3 測得8只正常大鼠血清總酸性磷酸酶（tacp）含量（u/l）為4.20，6.43，2.08，3.45，2.26，4.04，5.42，3.38。試求其算術(shù)均數(shù)。2021-11-12流

7、行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室19六、單變量統(tǒng)計(jì)運(yùn)算p 例2-2 抽樣調(diào)查某地120名18歲35歲健康男性居民血清鐵含量（mol/l），數(shù)據(jù)如下。求平均水平7.428.6523.0221.6121.3121.469.9722.7314.9420.1821.6223.0720.388.4017.3229.6419.6921.6923.9017.4519.0820.5224.1423.7718.3623.0424.2224.1321.5311.0918.8918.2623.2917.6715.3818.6114.2717.4022.5517.5516.1017.9820.1321.0014.5619.8

8、919.8217.4814.8918.3719.5017.0818.1226.0211.3413.8110.2515.9415.8318.5424.5219.2626.1316.9918.8918.4620.8717.5113.1211.7517.4021.3617.1413.7712.5020.4020.3019.3823.1112.6723.0224.3625.6119.5314.7714.3724.7512.7317.2519.0916.7917.1919.3219.5919.1215.3121.7519.4715.5110.8627.8121.6516.3220.7522.1113.1717.5519.2612.6518.4819.8323.1219.2219.2216.7227.9011.7424.6614.1816.522021-11-12流行病學(xué)與衛(wèi)生統(tǒng)計(jì)學(xué)教研室20例2-4 試應(yīng)用加權(quán)法近似地計(jì)算例2-2資料的算術(shù)均數(shù)。表表2-3 加權(quán)法計(jì)算均數(shù)加權(quán)法計(jì)算均數(shù)組段組段組中值組中值(xo)ffxo（1）（2）（3）（4）=(2)(3)671