第7章參數(shù)估計(jì)(2)7.5參數(shù)估計(jì)的一般問(wèn)題7.6一個(gè)總體參數(shù)的區(qū)間估計(jì)7.7兩個(gè)總體參數(shù)的區(qū)間估計(jì)7.8樣本容量的確定學(xué)習(xí)目標(biāo)估計(jì)量與估計(jì)值的概念點(diǎn)估計(jì)與區(qū)間估計(jì)的區(qū)別評(píng)價(jià)估計(jì)量?jī)?yōu)良性的標(biāo)準(zhǔn)一個(gè)總體參數(shù)的區(qū)間估計(jì)方法兩個(gè)總體參數(shù)的區(qū)間估計(jì)方法樣本容量的確定方法參數(shù)估計(jì)在統(tǒng)計(jì)方法中的地位參數(shù)估計(jì)假設(shè)檢驗(yàn)統(tǒng)計(jì)方法描述統(tǒng)計(jì)推斷統(tǒng)計(jì)統(tǒng)鑄計(jì)缸推賢斷朋的炭過(guò)趣程樣本總體樣本統(tǒng)計(jì)量如：樣本均值、比例、方差總體均值、比例、方差等7君.填5參眉數(shù)嚴(yán)估呆計(jì)輸?shù)木壢鹨回?fù)般賊問(wèn)勿題7送.慕5虹.季1盒估緊計(jì)森量騾與繭估冶計(jì)談值7壺.坐5蠻.貼2回點(diǎn)睡估邀計(jì)太與紐奉區(qū)款間侵估機(jī)計(jì)7戴.糊5遠(yuǎn).訊3懸評(píng)進(jìn)價(jià)球估躬計(jì)最量音的蹦標(biāo)師準(zhǔn)估撲計(jì)刮量怖與赴估販計(jì)抬值估陽(yáng)計(jì)煩量猶：遺用噸于啊估句計(jì)硬總省體伶參川數(shù)歌的憶隨所機(jī)發(fā)變游量如筆樣奧本綠均擔(dān)值涉，醬樣古本裂比依例膝、怎樣盾本速方愉差捧等例碧如昏:皂樣氏本召均撓值珠就嫩是許總焦體吵均盜值的堤一鐘個(gè)氣估娘計(jì)且量參爐數(shù)蝕用表益示挨，憐估寶計(jì)以量用睡表要示估崇計(jì)廈值夏：頑估淘計(jì)筒參洋數(shù)念時(shí)侵計(jì)樹(shù)算財(cái)出煌來(lái)掠的青統(tǒng)蝴計(jì)某量掙的枝具這體掙值如甩果宇樣吊本顧均凱值x=幼8穿0律，欲則替8湖0杏就禿是的愧估揮計(jì)染值估她計(jì)螞量鋪與冊(cè)估價(jià)計(jì)剛值(搞e柜s好t方i駛m傍a蹲t棍o您r怎&震e只s供t贈(zèng)i棵m東a廟t吊e孩d繪v濫a褲l留u犧e嚼)點(diǎn)義估虛計(jì)配與計(jì)區(qū)卸間部估告計(jì)參滲數(shù)唇估淺計(jì)融的尊方途法矩估計(jì)法最小二乘法最大似然法順序統(tǒng)計(jì)量法估計(jì)方法點(diǎn)估計(jì)區(qū)間估計(jì)點(diǎn)質(zhì)估最計(jì)(屯p第o肆i蠶n拍t僑e儲(chǔ)s盛t琴i施m缺a夠t屠e艱)用稿樣致本曠的潔估蒙計(jì)收量籮直說(shuō)接寇作砍為顯總治體賄參俱數(shù)物的宿估謎計(jì)湊值例門(mén)如常：浙用喊樣狡本銷(xiāo)均邊值受直廁接作像為總廳體趨均飛值哄的華估嶄計(jì)例屈如嗚：竹用鋼兩有個(gè)估樣姿本毅均講值斯之騎差脖直曠接作裁為總解體狠均修值敘之薪差端的律估需計(jì)2橡.意沒(méi)肢有障給婆出姥估辮計(jì)叼值券接瓣近笛總背體像參羽數(shù)衣程歪度渠的遮信滿(mǎn)息點(diǎn)容估臨計(jì)管的候方波法吵有個(gè)矩練估桐計(jì)將法痛、遼順鞋序那統(tǒng)珍計(jì)里量筒法察、站最縫大餡似堡然勇法猾、曠最伶小耗二叔乘嗎法唱等區(qū)駝間售估船計(jì)(報(bào)i嘉n義t蛇e岔r尖v屑a輩l張e舊s差t歪i羊m收a起t衰e旗)在竊點(diǎn)蹈估怎計(jì)捉的裳基纏礎(chǔ)低上憲，暴給念出霧總蠶體萌參芒數(shù)否估洽計(jì)盾的余一留個(gè)廉區(qū)工間輸范增圍賽，店該質(zhì)區(qū)設(shè)間系由胸樣挽本起統(tǒng)祝計(jì)肚量企加鄙減疫抽戰(zhàn)樣回誤盒差是而姨得欲到現(xiàn)的根酷據(jù)劈燕樣衣本宿統(tǒng)捕計(jì)筐量腐的前抽浸樣介分鈔布瞞能極夠橡對(duì)琴樣迅本識(shí)統(tǒng)終計(jì)錢(qián)量糾與艱總索體共參次數(shù)餡的寬接陸近顆程邀度麗給蛛出否一勻個(gè)勵(lì)概嗎率乳度幟量比盛如頑，畜某桿班板級(jí)趙平章均怠分躺數(shù)州在7剩5～8棋5之糠間謙，省置泉信晴水盡平辭是9侄5虹%樣本統(tǒng)計(jì)量

(點(diǎn)估計(jì))置信區(qū)間置信下限置信上限區(qū)江間沒(méi)估楚計(jì)輕的賣(mài)圖淚示x95%的樣本-1.96x+1.96x99%的樣本-2.58x+2.58x90%的樣本-1.65x+1.65x將柜構(gòu)芬造片置稍信型區(qū)條間出的巴步牲驟竿重禾復(fù)鴿很魚(yú)多闖次僚，榮置并信權(quán)區(qū)售間堵包襪含晉總奶體屈參倡數(shù)揀真燒值億的箭次腦數(shù)查所禾占腸的借比橡例座稱(chēng)姑為潔置額信或水杏平表序示銀為好(施1短-右宮莊為辦是屯總博體搶參表數(shù)未后在區(qū)鳴間拐內(nèi)荒的勒比風(fēng)例舅常淺用殼的妹置蔬信蘋(píng)水寬平城值廈有各9殲9金%點(diǎn),蠟9鋪5持%李,沸9潑0塑%相遞應(yīng)臟的為蓋0喝.煩0磁1道，粘0斧.連0緣瑞5笛，剪0棒.懲1趴0置呀信恩水竿平由父樣乞本喬統(tǒng)涌計(jì)券量雕所偉構(gòu)變?cè)煺嫉呐f總案體基參慕數(shù)庫(kù)的那估沾計(jì)紀(jì)區(qū)節(jié)間述稱(chēng)彎為隨置雕信茶區(qū)熱間統(tǒng)紋計(jì)繩學(xué)扒家勇在某面種陡程蕉度顯上確墨信園這記個(gè)正區(qū)屯間娛會(huì)假包蹦含聚真恩正住的似總營(yíng)體樂(lè)參杯數(shù)嗚，報(bào)所傭以牧給樸它鉆取繭名友為困置悅信嗽區(qū)密間用必一磁個(gè)酒具唯體旗的少樣鈔本帽所遼構(gòu)肚造蠢的授區(qū)蘋(píng)間戴是偶一售個(gè)航特溪定電的柔區(qū)虎間咳，美我吩們刑無(wú)霧法癥知魂道牢這陽(yáng)個(gè)拔樣扣本匙所卸產(chǎn)傘生領(lǐng)的密區(qū)猶間租是蔽否級(jí)包須含蘋(píng)總稿體番參嘩數(shù)董的撞真約值我擾們受只沿能擔(dān)是額希鞋望撫這哄個(gè)湖區(qū)衡間瞎是贈(zèng)大懸量霜包捏含咱總園體廉參真數(shù)泳真狂值案的筍區(qū)難間淹中羞的棉一擺個(gè)商，姻但咳它邪也偉可盈能持是繞少區(qū)數(shù)飽幾已個(gè)巷不報(bào)包龍含順參側(cè)數(shù)假真起值篩的桐區(qū)建間腐中款的欠一榨個(gè)置美信聯(lián)區(qū)育間(c論o隔n規(guī)f墓i蕉d釣e勾n陜c舟e企i歷n抱t愚e坐r經(jīng)v汽a屯l)置腰信鉛區(qū)倚間晴與殺置嫁信限水嶼平均值的抽樣分布(1-)%區(qū)間包含了%的區(qū)間未包含1–aa/2a/2影輝響拼區(qū)概間總寬雙度景的永因元素1磨.寫(xiě)總佩體與數(shù)斗據(jù)鉗的途離盆散懇程煙度媽?zhuān)脕?lái)養(yǎng)測(cè)乞度樣炒本溫容穴量緣瑞，3相.沒(méi)置塞信媽水配平訂(坡1尋-)麗，劉影棕響zα擊/2的漸大需小評(píng)飼價(jià)渠估壘計(jì)丑量檢的希標(biāo)閑準(zhǔn)無(wú)跑偏談性(u勤n退b頂i預(yù)a盲s迫e鎮(zhèn)d欣n快e氧s過(guò)s)無(wú)點(diǎn)偏線性肢：估駛計(jì)血量繳抽事樣可分緒布畏的譽(yù)數(shù)鑰學(xué)素期強(qiáng)望雨等冰于陽(yáng)被估阿計(jì)需的牢總是體艱參心數(shù)P(

)BA無(wú)偏有偏有妙效敏性(e踏f族f孫i睬c系i恐e驚n觀c孫y)有缺效汁性賭：對(duì)油同啟一頭總閥體胖參祥數(shù)眉的枝兩紐奉個(gè)陳無(wú)脅偏月點(diǎn)唱估幕計(jì)量擇，泥有哨更廊小稈標(biāo)鞭準(zhǔn)言差括的數(shù)估醋計(jì)溫量殼更戶(hù)有印效AB的抽樣分布的抽樣分布P(

)一擱致戚性(c屬o鬼n慈s發(fā)i請(qǐng)s責(zé)t裳e報(bào)n漂c辜y)一乞致宿性勺：隨晝著嬸樣殃本慨容軌量佛的嘗增閃大魔，歪估香計(jì)據(jù)量勢(shì)的值鞭越驕來(lái)佛越麥接寨近敲被舒估錯(cuò)計(jì)我的含總蛙體劣參膊數(shù)AB較小的樣本容量較大的樣本容量P(

)7甲.挨6一憐個(gè)壩總解體駁參抖數(shù)察的倚區(qū)作間抽估錢(qián)計(jì)7停.泰6推.已1熔總爹體味均鑒值膚的陸區(qū)戶(hù)間球估崗計(jì)7劉.呈6裙.俘2往總膏體圍比金例凝的耳區(qū)售間叼估沫計(jì)7凈.相6兵.跟3垮總油體鑄方吃差宴的安區(qū)屠間作估嚷計(jì)一起個(gè)陷總蒸體垃參愛(ài)數(shù)嗎的門(mén)區(qū)忌間礦估翁計(jì)總體參數(shù)符號(hào)表示樣本統(tǒng)計(jì)量均值比例方差總杰體赴均俘值夠的傲區(qū)房誠(chéng)間磚估尼計(jì)(信正奔態(tài)慌總慶體魯、２已黨知域，塞或鹽非娃正變態(tài)伐總框體字、滋大冬樣宴本娃)總丑體鋸均董值芳的芝區(qū)姻間亡估行計(jì)(堅(jiān)大航樣鹿本票)1化.散假攪定斑條咳件總甚體凝服掙從原正誰(shuí)態(tài)交分堡布,且優(yōu)方拘差桃(２)已知如殊果跟不槐是帥正酒態(tài)貞分嘴布捧，挺可顏由勢(shì)正笨態(tài)彼分映布轉(zhuǎn)來(lái)架近餅似洞(n3舞0供)使庫(kù)用糖正昂態(tài)躍分會(huì)布寸統(tǒng)源計(jì)墓量z總餐體察均弟值在猛1芽-置龜信歪水員平棵下車(chē)的置以信掀區(qū)理間散為總典體丑均誦值我的舟區(qū)蘭間貝估砍計(jì)(軌例貪題俘分泉析霞)【杠例諸】一慌家灣食唉品允生鑒產(chǎn)賴(lài)企腐業(yè)毀以歪生腳產(chǎn)坊袋陷裝勿食寇品產(chǎn)為且主閃，年為貸對(duì)舉產(chǎn)恐量翼質(zhì)散量朵進(jìn)斗行堂監(jiān)繼測(cè)睛，刻企議業(yè)撞質(zhì)鬼檢拒部醫(yī)門(mén)容經(jīng)則常建要愚進(jìn)撓行煙抽霸檢猛，棍以堅(jiān)分訓(xùn)析撤每闖袋撇重竭量紗是以否谷符師合留要探求疏。辦現(xiàn)貫從巾某創(chuàng)天興生示產(chǎn)拜的具一董批償食砍品稅中白隨車(chē)機(jī)悟抽蒼取崇了屢2宣5謙袋形，恰測(cè)擊得它每帝袋塔重精量他如欠下掩表岸所耽示墾。筒已瓜知霜產(chǎn)碰品免重砍量歉的里分終布歪服服從骨正季態(tài)循分殿布煙，焰且嬌總補(bǔ)體叢標(biāo)窩準(zhǔn)涼差音為侍1滔0煩g建。亞試盲估妨計(jì)處該呼批稠產(chǎn)役品言平歉均屑重咐量挺的念置恩信喚區(qū)攪間旦，難置俱信朱水縮慧平屯為趙9折5樸%25袋食品的重量112.5101.0103.0102.0100.5102.6107.595.0108.8115.6100.0123.5102.0101.6102.2116.695.497.8108.6105.0136.8102.8101.598.493.3總寧體野均憤值傭的快區(qū)王間辛估店計(jì)(彼例品題鞭分率析薪)解：已駕知Ｘ~N(，輕1摘02)巾，n=蜘2糊5買(mǎi),素1牲-=疼9錯(cuò)5聲%經(jīng)，z/閘2=低1致.支9貞6脾。反根混據(jù)提樣純本裝數(shù)鉤據(jù)苦計(jì)潑算緒得伸：總烤體測(cè)均愛(ài)值在觀1限-性置串信鋼水曾平炊下食的嫌置乖信廣區(qū)述間凝為該巡壽食但品悲平污均乘重君量到的繞置剃信林區(qū)化間劃為1汪0赴1擱.圍4產(chǎn)4堂g尼~抗1丟0和9土.適2疼8待g該醬批相食心品俗的淋9廈5某%坊的雹重配量理在1壤0伴1嬌.文4伸4睡g莊~個(gè)1套0蝴9旺.癢2束8棋g之凈間荒“踩？抹”總巨體參參押數(shù)閥的捕真畫(huà)值尋是先固剛定策的去，交而囑用況樣論本謝構(gòu)絞造折的橋區(qū)然間沫則渡是范不家固犧定餐的愿，君因解此象置株信特區(qū)朵間范是橡一利個(gè)之隨蠟機(jī)鍋區(qū)午間枝，交它員會(huì)脊因遙樣劃本耽的曲不證同養(yǎng)而蕉變?nèi)榛牛鸲糖夷遣惶幨俏蛩斡蓄D的話(huà)區(qū)新間伸都隸包村含柏總億體翁參攔數(shù)實(shí)富際乓估窯計(jì)背時(shí)捉往義往贊只誦抽切取州一迫個(gè)格樣嘉本識(shí)，每此壺時(shí)抓所掠構(gòu)蔥造美的尊是猾與竄該矛樣院本冬相謀聯(lián)掏系縣的壞一慶定賭置夢(mèng)信規(guī)水等平瀉(廳比勺如訂9羊5醋%胞)系下恥的撇置惕信細(xì)區(qū)則間盛。右我砌們落只挖能膠希石望子這責(zé)個(gè)疼區(qū)聚間昨是伸大窮量忍包御含川總捉體愈參慮數(shù)響真粥值險(xiǎn)的遠(yuǎn)區(qū)貍間緊中鹽的拉一眉個(gè)徹，紀(jì)但蜓它祥也罷可鞠能雜是深少劑數(shù)忠?guī)状騻€(gè)曠不喊包句含朋參甩數(shù)荷真蠟值窄的買(mǎi)區(qū)南間起中事的蓬一湖個(gè)置屆信批區(qū)射間準(zhǔn)的廟表貞述(c焰o招n嘩f填i供d哄e(cuò)酷n劣c揀e夢(mèng)i猛n武t席e伐r雨v茅a素l)當(dāng)像抽查取胖了匹一遙個(gè)鑼具喘體第的勒樣扔本聰，灶用椒該陸樣龍本林所占構(gòu)旺造繩的皂區(qū)胡間外是予一作個(gè)編特燙定爆的燭常支數(shù)好區(qū)根間配，貝我額們宋無(wú)拌法潔知刮道難這修個(gè)崗樣美本凳所興產(chǎn)始生藝的漠區(qū)水間褲是新否五包往含第總針體動(dòng)參悲數(shù)廢的吹真交值更，簽因舌為菊它選可罵能巖是吹包筑含亡總婆體喉均啄值預(yù)的余區(qū)廣間貌中朱的睡一尊個(gè)裝，屠也黎可鋪能西是壯未扶包鑒含棒總魂體保均管值冶的許那拴一乘個(gè)一化個(gè)息特赤定捉的摘區(qū)乏間擾總穿是仿“票包邊含添”捧或展“勉絕受對(duì)腔不緩包藍(lán)含璃”地參媽數(shù)蠻的向真伴值貧，爹不殘存除在體“怠以紀(jì)多孔大券的船概拼率患包領(lǐng)含淹總侍體薦參灰數(shù)讓”猶的烏問(wèn)四題置觀信協(xié)水尖平鬧只鴨是召告筍訴菜我艙們映在四多匆次騾估液計(jì)步得熔到奪的太區(qū)肆間鎮(zhèn)中喘大佳概行有序多江少稅個(gè)正區(qū)憐間義包捷含騰了恢參蛋數(shù)謠的腿真姓值薄，欺而慎不柄是朵針順對(duì)纏所待抽冠取河的施這夾個(gè)潑樣售本間所守構(gòu)饑建淋的賣(mài)區(qū)糞間德而蒸言攻的置雅信叔區(qū)擺間量的上表贏述(c快o塔n細(xì)f承i兇d毀e液n腔c秒e吼i漠n臣t刊e鏟r百v誘a跪l)置癥信轉(zhuǎn)區(qū)恐間木的鼻表弊述(9卸5鋤%碑的洞置隆信獲區(qū)拆間)從或均咽值到為繩1瓜8鈴5毀的慈總么體肆中奏抽巾出貓n世=閱1宜0重的招2乖0戀個(gè)同樣殺本丟構(gòu)適造寧出負(fù)的2錢(qián)0矮個(gè)置瘦信煮區(qū)綿間我門(mén)沒(méi)兩有天抓槽住依參源數(shù)膀！點(diǎn)廁估浮計(jì)劃值使水用富一個(gè)個(gè)悔較芽大欣的訂置使信胡水皇平嚴(yán)會(huì)拔得測(cè)到庫(kù)一里個(gè)除比餡較睡寬繼的君置還信未區(qū)榜間研，馬而雹使阻用蹈一番個(gè)覽較礎(chǔ)大趴的竄樣磨本刷則吸會(huì)臥得射到軌一膝個(gè)晌較塔準(zhǔn)貧確饒(去較鋪窄窯)齡的魚(yú)區(qū)餐間傘。羞直壯觀絲式地埋說(shuō)薪，蜻較說(shuō)寬唐的昆區(qū)軋間去會(huì)墾有擦更縫大慘的畏可姥能擺性?xún)?cè)包扯含司參鹿數(shù)但姿實(shí)犁際涼應(yīng)榆用晉中計(jì)，敵過(guò)隸寬雨的敲區(qū)暴間唐往但往緞沒(méi)門(mén)有敏實(shí)滅際神意拘義比純?nèi)缡罚锰旆庀囝A(yù)吃報(bào)瞧說(shuō)蠶“久在聲一藝年溜內(nèi)疊會(huì)龜下籠一釘場(chǎng)灰雨貢”釣，釘雖驕然岸這墾很術(shù)有華把扛握揮，柔但蒜有圍什歪么刷意這義榆呢邪？裕另性一鄭方膚面閃，問(wèn)要赤求耕過(guò)污于墾準(zhǔn)孫確番(訴過(guò)墊窄箭)合的兼區(qū)城間貍同興樣趟不洽一壓定愁有枕意爽義線，躍因斑為繩過(guò)暈窄躬的從區(qū)而間睡雖割然痕看羨上徹去右很歐準(zhǔn)喇確凱，施但膝把訴握網(wǎng)性發(fā)就新會(huì)且降等低壁，烤除桑非許無(wú)縱限悶制將增公加單樣慘本勝量喊，屈而趣現(xiàn)捆實(shí)葛中自樣埋本擴(kuò)量紹總傲是沖有繪限窩的區(qū)悲間時(shí)估糞計(jì)敵總贏是表要幣給虛結(jié)廣論庭留圍點(diǎn)賀兒局余籠地置予信侵區(qū)隸間禽的相表濁述(c辛o圾n除f毫i貧d憑e京n墳c呈e攻i蛙n讀t圖e寶r差v話(huà)a丹l)總松體躍均舊值炎的恰區(qū)嚴(yán)間嚇估歡計(jì)(誼例蟲(chóng)題繡分自析趙S改P峰S投S尋)A悉n腳a素l遭y純z彩e→D咳e灶s妄c嗚r失i場(chǎng)p腎t幻玉i浙v閃e縮慧S溫t飄a毒t歇i爸s靈t種i退c鉛s→E吳x選p扇l姻o近r落e25袋食品的重量112.5101.0103.0102.0100.5102.6107.595.0108.8115.6100.0123.5102.0101.6102.2116.695.497.8108.6105.0136.8102.8101.598.493.3總陣體設(shè)均殊值競(jìng)的旱區(qū)攝間友估姿計(jì)(重例面題暮分璃析存)【脂例粱】一陣家直保訊險(xiǎn)駱公返司濁收姜集粉到配由3飛6投壘保距個(gè)檢人財(cái)組移成蛛的優(yōu)隨瘡機(jī)爹樣旨本副，趙得梯到撕每墾個(gè)鍵投槽保旬人痰的烏年基齡油(亡周贊歲風(fēng))絮數(shù)葛據(jù)他如初下稿表拾。株試喂建金立恢投蹲保少人限年飛齡雞9細(xì)0細(xì)%工的哨置令信色區(qū)濤間36個(gè)投保人年齡的數(shù)據(jù)233539273644364246433133425345544724342839364440394938344850343945484532總膨體濟(jì)均杯值她的聚區(qū)洗間猾估維計(jì)(恥例腦題相分無(wú)析禿)解：已尸知n=次3寬6蹲,閥1蛋-=搖9金0時(shí)%幻玉，z/希2=口1杠.濾6訊4無(wú)5喊。該根豪據(jù)皮樣醫(yī)本沙數(shù)荷據(jù)欠計(jì)鍵算錯(cuò)得妹：姥，總提體癥均述值在怠1貧-置瓜信刊水漢平槐下袍的漏置竊信執(zhí)區(qū)直間礎(chǔ)為投所保展人摘平修均鞠年師齡層的樸置巾信憑區(qū)線間際為3擠7嘩.路3右7歲~籠4漠1宗.顛6絨3歲總鎖體割均邊值引的程區(qū)啦間炊估鍬計(jì)(殲例紋題唯分顯析莊S襪P嶄S畫(huà)S藝)A鍛n(yōu)衰a韻l什y訂z扛e→D灣e沒(méi)s棉c智r搏i腎p紐奉t術(shù)i借v膨e檔S屠t棍a滋t辛i爹s燙t抖i館c英s→E岡x知p娘l陵o組r乓e36個(gè)投保人年齡的數(shù)據(jù)233539273644364246433133425345544724342839364440394938344850343945484532總譽(yù)體長(zhǎng)均展值側(cè)的性區(qū)瞎間雅估姨計(jì)(繭正旁態(tài)詳總禍體蔥、２未腥知晨、費(fèi)小倒樣幕本多)總可體忘均防值煩的千區(qū)為間抽估賤計(jì)(椒小滋樣巖本腰)1料.桐假另定屋條稠件總臺(tái)體予服淋從右正筍態(tài)那分沃布,且城方惡差還(２)未錄知小口樣陰本頭(n<抓3像0桂)使床用t分哨布釀統(tǒng)轟計(jì)工量總騾體聞均橡值在蛾1糖-置便信地水鉗平予下躁的置甩信洋區(qū)聽(tīng)間慮為t分軍布t分排布姑是跳類(lèi)倚似啞正悟態(tài)猴分竿布血的濱一摟種貪對(duì)箭稱(chēng)積分屬布舍，谷它卻通壓常繪要習(xí)比識(shí)正雨態(tài)雀分兇布射平濟(jì)坦壯和銅分販散稠。繭一史個(gè)葡特勝定糞的原分技布慌依威賴(lài)擾于篇稱(chēng)餃之魯為揭自絕由才度諷的欺參攏數(shù)瀉。呈隨洲著寒自繳由肥度四的色增捆大緩，掃分澇布葵也跑逐習(xí)漸拉趨張于米正寫(xiě)態(tài)己分廚布xt

分布與標(biāo)準(zhǔn)正態(tài)分布的比較t分布標(biāo)準(zhǔn)正態(tài)分布t不同自由度的t分布標(biāo)準(zhǔn)正態(tài)分布t(df=13)t(df=5)z總退體隨均壘值勁的噴區(qū)零間春估氣計(jì)(礙例參題聞分借析亭)【握例峽】已吐知嶄某懇種杯燈哀泡欠的鵝壽贈(zèng)命現(xiàn)服該從掩正蘋(píng)態(tài)牛分著布棄，翁現(xiàn)緣瑞從預(yù)一遙批縫燈膠泡券中箱隨書(shū)機(jī)箏抽蛋取孝1磨6賣(mài)只逗，紗測(cè)謠得丑其知使映用黑壽鹽命吹(謠小位時(shí)崖)便如董下欺。講建紙立望該晴批晶燈趕泡刷平搜均在使厘用類(lèi)壽清命情9犧5跡%屠的糞置道信槳區(qū)彩間16燈泡使用壽命的數(shù)據(jù)1510152014801500145014801510152014801490153015101460146014701470總瘋體覽均橫值褲的蓄區(qū)伶間轟估柴計(jì)(杠例岸題步分甩析溪)解：已舞知Ｘ~N(，藍(lán)2)奏，n=睬1薪6善,偶1煩-=愉9厲5渠%牲，t/雨2=殼2弦.陡1更3高1根什據(jù)在樣峽本疼數(shù)堤據(jù)翁計(jì)佩算苦得洋：璃，總笨體英均脈值在萄1番-置傘信壤水從平傷下奧的荷置仁信喉區(qū)鳥(niǎo)間仙為該浸種花燈棄泡滲平殿均油使守用獸壽化命判的味置喘信瘦區(qū)異間清為1昆4隨7計(jì)6諷.捷8小判時(shí)火～1欠5錯(cuò)0本3源.垮2小卸時(shí)總是體飛均糾值拐的畫(huà)區(qū)騙間撥估卻計(jì)(木例銀題春分甚析瘋S弟P借S溫S賊)16燈泡使用壽命的數(shù)據(jù)1510152014801500145014801510152014801490153015101460146014701470A紫n抗a備l侮y濃z項(xiàng)e→C仍o頃m兔p漠a(chǎn)雕r插e(cuò)孔M禁e比a咽n論s→O挨n乳e齊-今S永a座m要p戚l歲e貨T隆T竄e兵s爛t總聰體陰比伶例六的央?yún)^(qū)絹間挑估歉計(jì)總棵體處比脾例愿的爭(zhēng)區(qū)排間貼估株計(jì)1還.袋假裹定稀條慕件總蹤蝶體味服你從疊二厘項(xiàng)躺分技布可旗以躺由娃正插態(tài)你分惱布欣來(lái)布近舊似使兇用爛正煤態(tài)鼓分開(kāi)布顯統(tǒng)茅計(jì)鬧量z3共.妹總縫體拳比胞例在覽1派-置蠶信之水未平腫下的燦置濃信虧區(qū)駐間臨為總壘體謙比詢(xún)例鴿的非區(qū)連間仗估川計(jì)(亞例甲題銀分釋析因)【睬例扇】某話(huà)城芝市伸想棕要潮估狠計(jì)仇下滔崗?qiáng)^職抓工駝中搭女眼性溪所買(mǎi)占牛的發(fā)比乏例倚，腥隨曲機(jī)代地須抽海取裳了壇1慌0征0這名加下凍崗暫職或工肌，沾其夫中翠6安5蹦人津?yàn)殡[女蛾性轟職卷工梯。母試眾以綢9膝5源%只的哪置第信絮水閘平若估臭計(jì)峰該榆城嬸市陵下請(qǐng)崗射職李工演中涼女駕性洋比倆例問(wèn)的叢置蜘信斗區(qū)號(hào)間解武：已壘知n=展1英0棉0壓，p＝覺(jué)6蹤蝶5途%,譜1-總=卻9阿5覽%鑰，z劑/煌2=喝1戶(hù).辜9跌6該相城缺市慘下紹崗資職把工軍中耗女倆性噸比哀例共的養(yǎng)置羽信零區(qū)扮間好為5梁5砌.哲6忍5智%希~娛7將4坡.悔3鄙5財(cái)%總傳體越方子差煉的撓區(qū)省間首估詞計(jì)總飾體協(xié)方走差椒的印區(qū)撈間張估誓計(jì)1勉.不估沖計(jì)請(qǐng)一頂個(gè)似總揪體動(dòng)的礎(chǔ)方欠差棗或責(zé)標(biāo)急準(zhǔn)忙差2劫.校假穿設(shè)亞總吧體炊服連從院正揭態(tài)布分志布總族體乳方儲(chǔ)差2的倉(cāng)點(diǎn)鳴估購(gòu)計(jì)璃量裝為s2,握且4斗.舅總蘿體扎方棟差披在定1貸-置固信為水探平琴下案的圍置悟信芬區(qū)廢間還為總瓶體禁方刷差悔的鋼區(qū)遵間嶺估鋒計(jì)(橫圖寒示堪)221-2總體方差1-的置信區(qū)間自由度為n-1的2總緊體到方慘差貨的股區(qū)卸間個(gè)估室計(jì)(幟例強(qiáng)題械分無(wú)析浸)【究例戰(zhàn)】一爭(zhēng)家初食鋸品婆生壯產(chǎn)須企旦業(yè)垃以挪生監(jiān)產(chǎn)辰袋追裝孔食具品貓為禿主岸，傅現(xiàn)階從貨某妄天斥生凳產(chǎn)斷的券一葡批脹食討品演中言隨秘機(jī)感抽同取叨了隔2幟5肯袋源，屋測(cè)泉得跪每憤袋再重膜量艷如安下更表圣所漏示毒。鵲已趴知尾產(chǎn)撥品艱重央量肯的光分輪布府服寺從醒正貪態(tài)旨分壁布佳。易以9叉5鮮%的妨置染信句水熱平歡建頭立飾該初種嫩食碗品扮重港量選方甩差憂(yōu)的麗置婦信矛區(qū)谷間25袋食品的重量112.5101.0103.0102.0100.5102.6107.595.0108.8115.6100.0123.5102.0101.6102.2116.695.497.8108.6105.0136.8102.8101.598.493.3總掌體依方貞差總的溉區(qū)通間密估使計(jì)(搜例恨題彼分露析汪)解堪:已希知n＝專(zhuān)2渡5緒，總1娃-＝懲9馳5島%湯,雜根搶據(jù)目樣臺(tái)本郵數(shù)融據(jù)迷計(jì)叔算直得s2=姜9悔3拾.礎(chǔ)2巨12置捎信暑度閉為讓9罪5怠%慌的貿(mào)置古信伯區(qū)擾間底為該沾企炭業(yè)阻生凍產(chǎn)惜的說(shuō)食布品肉總統(tǒng)體領(lǐng)重薪量談標(biāo)欣準(zhǔn)遇差挎的癢的易置哥信嚷區(qū)間謊為7析.胡5配4淘g撤~舅1丑3黑.賢4虧3梅g7膊.框7兩悠個(gè)頭總趨體壩參紅數(shù)洞的訪區(qū)踏間碌估炊計(jì)7斑.施7陰.節(jié)1俘兩俱個(gè)難總遇體岸均凳值船之點(diǎn)差傷的煎區(qū)嬌間村估相計(jì)7植.另7本.妹2敬兩組個(gè)膠總磁體套比討例社之習(xí)差桐的衛(wèi)區(qū)股間擇估俯計(jì)7濱.些7肥.張3墓兩便個(gè)判總悼體往方騰差浸比傅的軟區(qū)在間蜓估齊計(jì)兩妹個(gè)肆總饒?bào)w欺參蒙數(shù)橡的譯區(qū)親間競(jìng)估陽(yáng)計(jì)總體參數(shù)符號(hào)表示樣本統(tǒng)計(jì)量均值之差比例之差方差比兩鴨個(gè)卵總美體向均蔽值綿之朵差打的偵區(qū)腦間姿估退計(jì)(偽獨(dú)體立姨大舊樣翠本位)兩騎個(gè)唉總漲體綠均詢(xún)值驗(yàn)之遮差咳的帆估瞇計(jì)(碎大綿樣饅本鄉(xiāng)豐)1淹.蓮假倡定殊條量件兩傷個(gè)總蔽體才都耐服舟從菊正蹦態(tài)紀(jì)分蔬布耽，1２、2２已燒知若夠不情是坑正艦態(tài)當(dāng)分貍布攀,倡可徹以探用志正匠態(tài)芒分艦布酬來(lái)河近擋似膊(n13霜0殲和n23舟0幕)兩繞個(gè)貞樣銳本茅是增獨(dú)餡立呼的則隨雀機(jī)歡樣才本使灣用佳正梳態(tài)恨分草布寨統(tǒng)作計(jì)糕量z兩亞個(gè)獄總脾體稼均差值蔥之山差容的險(xiǎn)估葉計(jì)(中大至樣也本次)1孕.1２，2２已醫(yī)知侵時(shí)淋，兩舉個(gè)爭(zhēng)總艦體培均明值康之孟差1-2在叮1少-置誤信民水粱平皂下栗的急置半信悄區(qū)猜間飄為1２、2２未簡(jiǎn)知尸時(shí)躲，兩梨?zhèn)€駝總玻體寄均寄值帽之混差1-2在桑1禁-置譽(yù)信殼水尺平甚下名的袖置遠(yuǎn)信指區(qū)菜間好為兩亭個(gè)佛總慕體減均救值鳳之冰差侄的黎估拉計(jì)(巷例遭題講分鳥(niǎo)析尸)【軋例炕】某助地慘區(qū)簡(jiǎn)教螞育獲委捷員鎖會(huì)牌想腦估施計(jì)貿(mào)兩泄所少中哈學(xué)念的縱學(xué)偉生扇高施考亦時(shí)年的傍英鄙語(yǔ)豪平遇均位分烘數(shù)衫之良差再，眠為歷此寧在柏兩搬所伴中揭學(xué)蠅獨(dú)嶄立巨抽宇取直兩谷個(gè)沈隨汗機(jī)框樣仍本磁，仔有貍關(guān)住數(shù)樣據(jù)濾如疼右惡表屈。跟建醉立域兩抽所岡中忽學(xué)送高追考顆英賤語(yǔ)忌平換均航分鞏數(shù)舉之杜差9著5毫%的杏置佳信介區(qū)右間

兩個(gè)樣本的有關(guān)數(shù)據(jù)

中學(xué)1中學(xué)2n1=46n1=33S1=5.8S2=7.2E晚n訴g遇l炮i疼s開(kāi)h兩野個(gè)牲總蹈體茂均亞值好之輝差縱的鋤估咐計(jì)(它例籍題難分孤析阻)解均:兩紹個(gè)限總招體慨均下值扔之賠差擺在舉1滴-置峰信零水看平皮下素的別置饑信砍區(qū)某間餐為兩螺所暗中嚼學(xué)頁(yè)高在考妙英愧語(yǔ)炸平恐均板分仔數(shù)已之夏差晴的政置踩信每區(qū)壘間楊為5循.震0盛3分~肥1遍0卷.良9跡7分兩災(zāi)個(gè)麥總霉體賢均漢值潑之想差哥的叼區(qū)我間攀估腹計(jì)(昂獨(dú)做立瓶小嘉樣腫本登)兩覽個(gè)竟總紡體鹿均之值險(xiǎn)之翼差西的具估慨計(jì)(徹小理樣寒本蜘:12=22)1藏.尋假流定礦條哥件兩麗個(gè)總充體瓣都貸服古從在正另態(tài)級(jí)分賀布兩論個(gè)俯總野體鄙方速差付未紋知顛但距相周等南：1２=2２兩炮個(gè)糕獨(dú)扎立沙的認(rèn)小招樣陸本(n1<3角0到和n2<3勉0盟)總德體挺方模差絲式的痛合悲并塞估叢計(jì)幸量估網(wǎng)計(jì)量x1-隸x2的送抽窮樣絨標(biāo)這準(zhǔn)演差兩蔥個(gè)姐總號(hào)體池均缸值其之?dāng)巢钫椎脑」婪e計(jì)(腿小涌樣削本酷:12=22)兩捏個(gè)胞樣劃本釘均洽值斤之而差值的零標(biāo)啊準(zhǔn)借化兩道個(gè)雙總斬體起均粘值趕之柴差1-2在茫1注-置第信沫水梢平搜下檔的爹置士信傾區(qū)制間賠為兩佩個(gè)信總棚體儲(chǔ)均錯(cuò)值紀(jì)之炮差典的魯估濾計(jì)(抵例卵題曉分偉析趁)【痛例豎】為虜估往計(jì)典兩隊(duì)種暢方犁法僵組適裝掉產(chǎn)點(diǎn)品律所頌需丹時(shí)皆間壯的貫差性異倦，見(jiàn)分繞別權(quán)對(duì)哲兩裂種召不顫同蚊的席組犁裝垮方贈(zèng)法柔各稈隨齡機(jī)養(yǎng)安幅排1馬2名培工黨人亮，屢每繭個(gè)牙工換人區(qū)組喉裝賊一上件讓產(chǎn)小品角所引需劫的柳時(shí)坐間未（亂分畫(huà)鐘呀）但下圣如聰表。假蒼定拳兩腰種癥方右法幼組色裝給產(chǎn)躍品哭的中時(shí)京間真服構(gòu)從阻正虛態(tài)皂分冶布揉，評(píng)且井方午差糊相袋等觀。儀試斯以凱9剛5鞏%圣的硬置企信戲水皇平妨建漁立奮兩福種聲方哈法脹組以裝詠產(chǎn)念品捏所楚需欺平余均烈時(shí)衣間以差頌值啊的耍置農(nóng)信絹區(qū)各間兩個(gè)方法組裝產(chǎn)品所需的時(shí)間方法1方法228.336.027.631.730.137.222.226.029.038.531.032.037.634.433.831.232.128.020.033.428.830.030.226.521兩宴個(gè)羞總首體使均貧值么之荒差懇的塵估害計(jì)(踢例老題痛分城析認(rèn))解患:根遮據(jù)稻樣幻玉本嚼數(shù)躲據(jù)望計(jì)駐算等得合課并珍估畢計(jì)捷量老為庸：兩暑種包方糕法央組唉裝喪產(chǎn)橫品卵所背需逢平內(nèi)均毛時(shí)皇間嗽之頭差座的聰置谷信類(lèi)區(qū)顆間抹為0浪.丑1候4揚(yáng)分酸鐘廁~柄7獸.犬2匆6遮分科鐘兩糾個(gè)漠總桶體炊均稻值通之正差秀的螺估終計(jì)(不例第題摔分偷析渡S璃P陽(yáng)S還S斥)兩個(gè)方法組裝產(chǎn)品所需的時(shí)間方法1方法228.336.027.631.730.137.222.226.029.038.531.032.037.634.433.831.232.128.020.033.428.830.030.226.521A喪n往a新l集y舊z都e→C烈o碌m僚p贈(zèng)a羅r學(xué)e閃M孫e并a泡n沙s→I近n恭d棵e犬p愈e蘭n批d酷e堆n熊t扣-好S桑a湯m蹄p單l耕e握s放T普T狹e俯s匪t兩聾個(gè)扇總暮體德均旅值廣之浴差萍的季估伶計(jì)(籍小拖樣惑本耀:1222)1墊.奸假籮定碰條浸件兩私個(gè)總山體屬都悉服鄰從領(lǐng)正腐態(tài)朋分襪布兩橋個(gè)殃總幸體副方灘差濫未貼知蒼且清不別相聾等冒：1２2２兩堤個(gè)輛獨(dú)剪立焦的散小許樣鉗本(n1<3未0迅和n2<3牛0肚)使組用充統(tǒng)酷計(jì)遮量?jī)膳總€(gè)少總鈴體蒜均少值嘴之離差裝的傳估劈燕計(jì)(晝小提樣除本沈:1222)兩好個(gè)屯總數(shù)體嚼均唯值益之摘差1-2在無(wú)1億-置衡信澤水喚平故下披的午置抱信雙區(qū)房誠(chéng)間定為自由度兩莖個(gè)部總扣體京均丑值敘之涌差蒜的茅估花計(jì)(提例膛題曬分天析陳)【偵例盾】沿識(shí)用綿前云例轟。擊假雕定才第笨一陵種樣方耗法伯隨犯機(jī)番安摟排捉1瞧2歌名補(bǔ)工楊人仰，博第頂二特種勁方堆法嘉隨球機(jī)燒安耍排族8預(yù)名誤工蒜人彩，舉即n1=詠1應(yīng)2羽，n2=紐奉8稱(chēng)，曉所恩得滴的殃有餐關(guān)濕數(shù)郵據(jù)藏如應(yīng)表欲。個(gè)假具定鎮(zhèn)兩糧種劃方介法疑組鄉(xiāng)豐裝避產(chǎn)割品游的牢時(shí)運(yùn)間報(bào)服架從稈正煙態(tài)蛇分圣布構(gòu)，汽且掠方勿差諸不暈相重等傾。穿以棕9廚5確%嚇的昂置殿信時(shí)水襪平甲建培立杜兩蜻種宰方堡法壇組盼裝散產(chǎn)駁品夜所笛需靜平賊均汗時(shí)津間督差察值赴的抱置努信識(shí)區(qū)識(shí)間兩個(gè)方法組裝產(chǎn)品所需的時(shí)間方法1方法228.336.027.631.730.137.222.226.529.038.531.037.634.433.832.128.020.028.830.030.221兩山個(gè)眾總積體榆均乳值迅之原差吃的種估右計(jì)(斥例肺題捆分罷析四)解煤:根化據(jù)洲樣塵本刊數(shù)滲據(jù)俘計(jì)擴(kuò)算斗得自扯由已度湖為咬：兩態(tài)種毛方耐法藝組殖裝搞產(chǎn)云品列所趴需蓮平卻均匆時(shí)賽間雞之慨差忠的錯(cuò)置輪信漢區(qū)急間口為0和.驚1垃9檔2糊分向鐘眨~盜9亭.亭0伍5挑8題分少鐘兩蒸個(gè)柄總葡體欠均探值添之壯差舒的蜻區(qū)然間劍估網(wǎng)計(jì)(滴匹限配織樣樹(shù)本吼)兩武個(gè)源總堪體照均筆值雞之虜差結(jié)的度估蹄計(jì)(肉匹曲配貓大弓樣墊本亡)假摔定罰條剖件兩貨個(gè)盜匹堅(jiān)配運(yùn)的充大批樣耍本(n13郵0剪和n23童0碼)兩柳個(gè)野總河體娛各駕觀抄察抽值培的妖配悔對(duì)錯(cuò)差座服兵從鋸正摩態(tài)挑分論布兩稍個(gè)囑總聽(tīng)體捆均柿值欣之樓差d=1-2在毒1背-置戚信耳水房誠(chéng)平向下裝的夏置著信集區(qū)植間杰為對(duì)應(yīng)差值的均值對(duì)應(yīng)差值的標(biāo)準(zhǔn)差兩糕個(gè)員總爆體怕均華值粗之憲差?lèi)赖幕揽h計(jì)(昆匹汗配笨小博樣脂本今)假說(shuō)定忠條窮件兩瞎個(gè)泉匹擦配裙的敬小叼樣銷(xiāo)本(n1<3抵0答和n2<3殊0電)兩似個(gè)愈總困體亂各唇觀焰察武值稠的到配責(zé)對(duì)肯差喉服塊從庸正障態(tài)企分普布兩壟個(gè)礦總震體臺(tái)均儀值踏之匙差d=1-2在早1滿(mǎn)-置西信目水孤平址下蹄的丟置掀信昆區(qū)死間駁為兩踩個(gè)砌總未體姓均譯值摔之純差翅的敗估衰計(jì)(戰(zhàn)例放題被分帆析膀)【課例叫】由1寫(xiě)0名侄學(xué)敵生秀組鎖成罷一諸個(gè)蓄隨蠅機(jī)韻樣國(guó)本襯，吧讓蘆他五們來(lái)分混別壞采散用A和B兩融套熟試霸卷達(dá)進(jìn)定行仁測(cè)殖試閑，臣結(jié)再果料如繭下猜表款。遷試令建氣立賞兩蜘種腫試者卷炭分未數(shù)絮之界差d=1-29此5刊%的牢置在信止區(qū)精間

10名學(xué)生兩套試卷的得分學(xué)生編號(hào)試卷A試卷B差值d17871726344193726111489845691741754951-27685513876601698577810553916S疑T局A每T鏈I個(gè)S鐘T賽I炊C適S兩衡個(gè)棉總尚體塊均赴值選之底差少的編估攏計(jì)(易例穿題假分陷析削)解血:根浴據(jù)俊樣欄本佳數(shù)據(jù)據(jù)它計(jì)灰算供得兩桶種揭試睜卷艇所閘產(chǎn)粗生計(jì)的民分織數(shù)堤之剃差仇的張置鼠信坊區(qū)赤間市為6敗.叮3住3分~板1塵5摸.鉗6寸7分兩湖個(gè)級(jí)總冶體詠均父值晶之艱差疾的怪估捏計(jì)(跨例朗題描分扎析符S裁P跌S補(bǔ)S介)A印n麗a蔥l續(xù)y指z披e→C域o座m冰p數(shù)a拳r障e抖M勢(shì)e飼a折n召s→P樣a誘i堵r烘e反d覺(jué)-翁S拴a限m垮p國(guó)l蔥e吵s乓T百T逆e同s貞t

10名學(xué)生兩套試卷的得分學(xué)生編號(hào)試卷A試卷B差值d17871726344193726111489845691741754951-27685513876601698577810553916S俱T遮A亮T門(mén)I墾S再T憂(yōu)I凈C清S兩勝個(gè)涂總誤體胡比獵例垃之旱差努區(qū)襪間揪的撐估瞎計(jì)1凍.沉假?gòu)N定圾條矩件兩必個(gè)總右體尾服補(bǔ)從草二餐項(xiàng)刑分垂布可車(chē)以仆用瓦正飽態(tài)聾分責(zé)布蛛來(lái)早近滅似兩炭個(gè)醉樣豈本吃是廁獨(dú)靜立趟的2峰.喘兩緊個(gè)鄰總懇體山比具例金之襪差1-2在遵1犁-置度信閘水勻平彈下使的晉置口信臘區(qū)甜間礎(chǔ)為兩曲個(gè)天總樹(shù)體役比段例眉之池差籍的萄區(qū)礙間后估頑計(jì)兩餅個(gè)季總暖體睡比輔例蒼之驕差誘的繞估抗計(jì)(災(zāi)例獸題曲分遠(yuǎn)析怪)【遼例酒】在謎某奏個(gè)得電志視泉節(jié)亡目易的繳收俗視拋率含調(diào)虹查韻中柳，海農(nóng)你村怨隨鬼機(jī)強(qiáng)調(diào)及查剝了4導(dǎo)0翼0人斯，亭有3沿2叫%的餐人頸收巧看膚了躲該書(shū)節(jié)欠目已；略城荷市屑隨丟機(jī)系調(diào)憶查在了5治0遇0人符，北有4任5溝%的饞人備收燈看削了犬該塌節(jié)據(jù)目偶。輩試稅以9摩0夸%的稻置勇信城水困平欠估應(yīng)計(jì)碼城清市般與燙農(nóng)院村設(shè)收最視陣率仰差遵別煌的垂置纖信燒區(qū)含間12兩熔個(gè)敵總忽體凍比據(jù)例墊之勁差段的塞估義計(jì)(纏例具題陪分愈析傻)解鵲:已災(zāi)知n1=揉5擴(kuò)0治0襪，n2=粱4鑰0猴0哈，p1=庸4默5樸%就，p2=甲3尋2層%慮，1餡-=曠9攻5役%弦，z運(yùn)/挺2=左1互.層9蜻61-2置掌信享度蛾為墾9矮5蹦%首的廣置漲信練區(qū)娃間蹈為城命市蔥與本農(nóng)斯村治收皮視欄率陷差鄉(xiāng)豐值繩的忘置牢信巴區(qū)猜間安為貴6瓜.憂(yōu)6股8堤%泛~動(dòng)1叉9蜘.漠3旺2搭%兩以個(gè)頃總段體喇方帝差持比豬的愿區(qū)葵間胡估舉計(jì)兩鼠個(gè)事總槍體釣方銅差婦比出的黑區(qū)剖間映估孤計(jì)1漂.瞎比城較澇兩涉?zhèn)€冠總俘體笑的跳方肝差蹈比用變兩濕個(gè)姓樣請(qǐng)本番的何方吳差貼比炸來(lái)河判烏斷如厘果S12/S22接苗近擦于1,說(shuō)野明兄兩觀個(gè)裁總捐體楚方瘋差蘆很艱接淡近如析果S12/S22遠(yuǎn)臟離1,說(shuō)刻明配兩蓮個(gè)寶總望體霧方嶺差盼之杰間脹存靈在薪差職異總灰體恢方婆差隔比目在棟1捧-置海信杠水堤平段下踢的慮置忙信尤區(qū)斥間鹽為兩渴個(gè)蹈總遣體閥方輩差?yuàn)时让目釁^(qū)跡間異估隙計(jì)(傾圖撐示推)FF1-F總體方差比1-的置信區(qū)間方差比置信區(qū)間示意圖兩承個(gè)童總瞞體朱方紛差查比舟的環(huán)區(qū)裕間經(jīng)估毒計(jì)(棄例渴題傷分框析駝)【誤例證】為原了呀研盒究怕男鋒女畜學(xué)般生聰在烘生擴(kuò)活乒費(fèi)偽支衡出串(啟元謠)胞上汗的貍差乏異箱，糟在注某風(fēng)大確學(xué)題各姿隨浪機(jī)城抽西取2屬5名態(tài)男澡學(xué)許生辱和2統(tǒng)5名新女蹈學(xué)送生簽，獻(xiàn)得能到聯(lián)下閉面嚼的姿結(jié)廚果鋼：男渴學(xué)周生雷：女挨學(xué)竄生與：試澡以9糖0鏟%置延信界水獲平濫估嗽計(jì)橫男據(jù)女塞學(xué)剩生倘生曉活箭費(fèi)取支滋出撒方們差皂比訊的淚置懷信錦區(qū)沫間兩顛個(gè)斤總計(jì)體鴿方膠差騙比密的潤(rùn)區(qū)淋間者估曉計(jì)(脫例兆題慕分課析懇)解張:根跨據(jù)巴自?xún)斢善蠖萵1=尺2科5弟-險(xiǎn)1淋=份2鳥(niǎo)4忘，n2=倍2簡(jiǎn)5巡壽-案1娛=嫌2鋒4汗，苗查涂得F懲/繳2(片2城4駛)弱=采1殊.殘9臨8陷，F(xiàn)1鏡-工/蛛2(趨2股4懂)恒=屈1刑/禁1顯.離9期8配=爪0喂.跡5綠0既512/星22置縣信掏度稼為輝9餓0陡%左的狹置器信聽(tīng)區(qū)碰間妥為男控女萄學(xué)罰生氏生撇活包費(fèi)臥支機(jī)出衡方寒差山比迷的平置晴信輕區(qū)中間著為0改.爆4婦7龍~囑1陽(yáng).炸8怎47羞.砍8樣孤本棋容爽量焰的勇確愁定7舍.糕8肝.育1蘿估尋計(jì)肥總偶體責(zé)均減值酬時(shí)映樣茫本摟容僵量個(gè)的弊確蒜定7發(fā).里8舌.堂2謙估叮計(jì)葉總著體劃比謙例炎時(shí)惠樣兼本壘容婚量耐的毀確笑定7季.節(jié)8日.跌3拾估感計(jì)挺兩喜個(gè)馳總表體科均托值非之中差鴨時(shí)銷(xiāo)樣躬本去容愁量頌的溫確掙定7鹽.斷8租.為4侍估升計(jì)蜘兩商個(gè)士總帝體銀比繩例償之脅差它時(shí)必樣箏本劍容辯量場(chǎng)的傳確爐定估腫計(jì)律總俘體臉均朋值號(hào)時(shí)兆樣緞本旋容住量寇的難確捎定估撥計(jì)況總乖體胡均撫值攪時(shí)評(píng)樣違本淚容羞量n為樣閘本級(jí)容拼量n與簡(jiǎn)總袋體賊方靈差2、兔邊紅際極誤壺差E、碎可闖靠精性米系露數(shù)Z或t之辦間疊的徒關(guān)灰系貸為與廁總久體偷方參差塊成養(yǎng)正泡比與壇邊輝際絲式誤徑差董成魔反陪比與祥可嗚靠濤性廚系關(guān)數(shù)米成鞠正付比估憑計(jì)饅總辰體耗均挽值低時(shí)夸樣投本罰容棗量動(dòng)的絨確口定其中：估鹿計(jì)列總類(lèi)體銳均崗值惜時(shí)美樣寫(xiě)本新容盆量推的肺確敢定(弦例咽題共分騾析父)【迎例凱】擁時(shí)有北工延商緩管她理雜學(xué)真士時(shí)學(xué)洲位抄的云大牲學(xué)殺畢怎業(yè)穴生存年祥薪盛的度標(biāo)日準(zhǔn)幟差裙大蛇約秘為2興0角0廢0元障，顯假材定娘想棕要灰估濱計(jì)胳年慢薪9平5坑%的海置惕信謝區(qū)估間臟，駐希丘望豬邊惠際鄰誤幫差寶為4投0恰0元憐，錘應(yīng)亡抽覺(jué)取謙多秒大段的蔥樣蘆本族容共量導(dǎo)？估液計(jì)妻總償體君均比值怎時(shí)莫樣失本疾容挺量頌的咳確保定(繩例叉題貌分響析飼)解響:已仁知=概5耍0栽0革，E=豈2咽0濫0貪,1狡-=憲9映5訊%豬，z轎/框2=利1陳.圈9裙6應(yīng)唱抽怪取姐的鄙樣裝本緊容卻量驢為即武應(yīng)夫抽肅取9比7人揚(yáng)作織為樸樣魔本估震計(jì)善總昏體廢比變例山時(shí)慈樣鼠本話(huà)容符量擁的沉確臨定根打據(jù)攏比氧例衰區(qū)羽間幼估嶼計(jì)貸公序式布可廁得懸樣梨本鑄容唯量n為估銀計(jì)掩總對(duì)體唉比駐例逗時(shí)偉樣暖本蛇容爭(zhēng)量合的液確株定E的登取螞值薪一關(guān)般仔小花于凍0者.的1未樸知鋤時(shí)投，獄可斗取沖最柱大餃值限0煩.護(hù)5其帖中探：估述計(jì)裂總脅體鳥(niǎo)比使例品時(shí)饑樣團(tuán)本樣容劍量器的傻確戴定(屢例準(zhǔn)題戀分襲析裳)【懸例得】根定據(jù)便以貞往益的勁生猾產(chǎn)鏟統(tǒng)暴計(jì)存，顛某友種京產(chǎn)短品接的軍合咸格累率叫約并為9研0植%，呆現(xiàn)匠要蘆求兆邊騾際鞭誤謊差湊為5猴%，繡在愿求9刑5哈%的艘置莊信已區(qū)痕間槳時(shí)沒(méi)，惠應(yīng)收抽董取衫多惕