2015年管理統(tǒng)計學在線作業(yè)

您的本次作業(yè)分數(shù)為：94分HTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.11.在樣本容量一定的情況下，抽樣估計的精確度和置信度水平之間按如下方式變動：HTMLCONTROLForms.HTML:Option.1A同方向；HTMLCONTROLForms.HTML:Option.1B反方向；HTMLCONTROLForms.HTML:Option.1C有時同方向，有時反方向；HTMLCONTROLForms.HTML:Option.1D無法確定正確答案:BHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.12.在方差分析中，若不同水平對結(jié)果沒有影響，則：HTMLCONTROLForms.HTML:Option.1A組間方差接近于組內(nèi)方差；HTMLCONTROLForms.HTML:Option.1B組間方差大于組內(nèi)方差；HTMLCONTROLForms.HTML:Option.1C組間方差小于組內(nèi)方差；HTMLCONTROLForms.HTML:Option.1D不具有可比性正確答案:AHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.13.如果數(shù)據(jù)分布很不均勻，則應(yīng)編制：HTMLCONTROLForms.HTML:Option.1A開口組；HTMLCONTROLForms.HTML:Option.1B閉口組；HTMLCONTROLForms.HTML:Option.1C等距數(shù)列；HTMLCONTROLForms.HTML:Option.1D異距數(shù)列正確答案:DHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.14.一個管理統(tǒng)計總體：HTMLCONTROLForms.HTML:Option.1A只能有一個標志；HTMLCONTROLForms.HTML:Option.1B只能有一個指標；HTMLCONTROLForms.HTML:Option.1C可以有多個標志；HTMLCONTROLForms.HTML:Option.1D可以有多個指標正確答案:DHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.15.統(tǒng)計分組的結(jié)果，應(yīng)當是：HTMLCONTROLForms.HTML:Option.1A組內(nèi)具有同質(zhì)性，組間具有差異性；HTMLCONTROLForms.HTML:Option.1B組內(nèi)具有差異性，組間具有同質(zhì)性；HTMLCONTROLForms.HTML:Option.1C組內(nèi)具有差異性，組間具有差異性；HTMLCONTROLForms.HTML:Option.1D組內(nèi)具有同質(zhì)性，組間具有同質(zhì)性正確答案:AHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.16.某產(chǎn)品規(guī)定的標準壽命為1300小時，甲廠稱其產(chǎn)品超過此規(guī)定。隨機選取甲廠100件產(chǎn)品，測得均值為1345小時，已知標準差為300小時，計算得到樣本均值大于等于1345的概率是0.067，則在:μ=1300，:μ>1300的情況下，下列各式中成立的是：HTMLCONTROLForms.HTML:Option.1A若=0.05，則接受；HTMLCONTROLForms.HTML:Option.1B若=0.05，則接受；HTMLCONTROLForms.HTML:Option.1C若=0.10，則接受；HTMLCONTROLForms.HTML:Option.1D若=0.10，則拒絕正確答案:AHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.17.按調(diào)查的范圍不同。統(tǒng)計調(diào)查可以分為：HTMLCONTROLForms.HTML:Option.1A統(tǒng)計報表和專門調(diào)查；HTMLCONTROLForms.HTML:Option.1B全面調(diào)查和非全面調(diào)查；HTMLCONTROLForms.HTML:Option.1C經(jīng)常性調(diào)查和一次性調(diào)查；HTMLCONTROLForms.HTML:Option.1D普查和抽樣調(diào)查正確答案:BHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.18.計算計劃完成情況相對指標，分子和分母的數(shù)值：HTMLCONTROLForms.HTML:Option.1A只能是相對數(shù)；HTMLCONTROLForms.HTML:Option.1B只能是絕對數(shù)；HTMLCONTROLForms.HTML:Option.1C只能是平均數(shù)；HTMLCONTROLForms.HTML:Option.1D既可以是絕對數(shù)，也可以是相對數(shù)或平均數(shù)正確答案:DHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.19.以下屬于定比尺度的數(shù)據(jù)資料是：HTMLCONTROLForms.HTML:Option.1A滿意度；HTMLCONTROLForms.HTML:Option.1B溫度；HTMLCONTROLForms.HTML:Option.1C工資；HTMLCONTROLForms.HTML:Option.1D時間正確答案:CHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.110.在組距式數(shù)列中，對組限值的處理原則是：HTMLCONTROLForms.HTML:Option.1A上組限不在內(nèi)，下組限在內(nèi)；HTMLCONTROLForms.HTML:Option.1B下組限不在內(nèi)，上組限在內(nèi)；HTMLCONTROLForms.HTML:Option.1C上下組限均不在內(nèi)；HTMLCONTROLForms.HTML:Option.1D上下組限均在內(nèi)正確答案:AHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.111.以下屬于數(shù)量綜合指數(shù)的是：HTMLCONTROLForms.HTML:Option.1A產(chǎn)量綜合指數(shù)；HTMLCONTROLForms.HTML:Option.1B價格綜合指數(shù)；HTMLCONTROLForms.HTML:Option.1C銷售額綜合指數(shù)；HTMLCONTROLForms.HTML:Option.1D成本綜合指數(shù)正確答案:AHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.112.在組距式數(shù)列中，用組中值來代表組內(nèi)的一般水平的假定條件：HTMLCONTROLForms.HTML:Option.1A各個組的次數(shù)相等；HTMLCONTROLForms.HTML:Option.1B各個組的組距相等；HTMLCONTROLForms.HTML:Option.1C組內(nèi)變量值相等；HTMLCONTROLForms.HTML:Option.1D組內(nèi)變量值呈均勻分布正確答案:DHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.113.若各年環(huán)比增長速度保持不變，則逐期增長量：HTMLCONTROLForms.HTML:Option.1A逐年增加；HTMLCONTROLForms.HTML:Option.1B逐年減少；HTMLCONTROLForms.HTML:Option.1C保持不變；HTMLCONTROLForms.HTML:Option.1D無法做結(jié)論正確答案:AHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.114.對50名職工的工資收入情況進行調(diào)查，則總體單位是：HTMLCONTROLForms.HTML:Option.1A50名職工；HTMLCONTROLForms.HTML:Option.1B50名職工的工資總額；HTMLCONTROLForms.HTML:Option.1C每一名職工；HTMLCONTROLForms.HTML:Option.1D每一名職工的工資正確答案:CHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.115.以下屬于定距尺度的數(shù)據(jù)資料是：HTMLCONTROLForms.HTML:Option.1A溫度；HTMLCONTROLForms.HTML:Option.1B受教育年限；HTMLCONTROLForms.HTML:Option.1C職業(yè)技能等級；HTMLCONTROLForms.HTML:Option.1DISBN號（書號）正確答案:AHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.116.平均差（A.D）的取值范圍是：HTMLCONTROLForms.HTML:Option.1AA.D=0；HTMLCONTROLForms.HTML:Option.1BA.D<=0；HTMLCONTROLForms.HTML:Option.1CA.D>=0；HTMLCONTROLForms.HTML:Option.1D0<=A.D<=1正確答案:CHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.117.某商場2009年空調(diào)銷售量為6500臺，庫存年末比年初減少100臺，這兩個總量指標：HTMLCONTROLForms.HTML:Option.1A時期指標；HTMLCONTROLForms.HTML:Option.1B時點指標；HTMLCONTROLForms.HTML:Option.1C前者是時期指標，后者是時點指標；HTMLCONTROLForms.HTML:Option.1D前者是時點指標，后者是時期指標正確答案:CHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.118.抽樣調(diào)查中的抽樣誤差是：HTMLCONTROLForms.HTML:Option.1A隨機誤差；HTMLCONTROLForms.HTML:Option.1B系統(tǒng)性誤差；HTMLCONTROLForms.HTML:Option.1C代表性誤差；HTMLCONTROLForms.HTML:Option.1D登記性誤差正確答案:AHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.119.某市進行工業(yè)企業(yè)生產(chǎn)設(shè)備狀況普查，要求在7月1日至7月5日全部調(diào)查完畢。則規(guī)定的這一時間是：HTMLCONTROLForms.HTML:Option.1A調(diào)查時間；HTMLCONTROLForms.HTML:Option.1B調(diào)查期限；HTMLCONTROLForms.HTML:Option.1C標準時間；HTMLCONTROLForms.HTML:Option.1D登記期限正確答案:BHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.120.方差分析中組內(nèi)方差是：HTMLCONTROLForms.HTML:Option.1A包括隨機誤差和系統(tǒng)誤差；HTMLCONTROLForms.HTML:Option.1B只包括隨機誤差，不包括系統(tǒng)誤差；HTMLCONTROLForms.HTML:Option.1C只包括系統(tǒng)誤差，不包括隨機誤差；HTMLCONTROLForms.HTML:Option.1D既不包括隨機誤差，也不包括系統(tǒng)誤差正確答案:BHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.121.最常用的反映數(shù)據(jù)離散趨勢的指標值是：HTMLCONTROLForms.HTML:Option.1A方差；HTMLCONTROLForms.HTML:Option.1B標準差；HTMLCONTROLForms.HTML:Option.1C全距；HTMLCONTROLForms.HTML:Option.1D離散系數(shù)正確答案:BHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.122.相關(guān)系數(shù)r的取值范圍是：HTMLCONTROLForms.HTML:Option.1A在0到1之間；HTMLCONTROLForms.HTML:Option.1B在-1到0之間；HTMLCONTROLForms.HTML:Option.1C在-1到1之間；HTMLCONTROLForms.HTML:Option.1D無限制正確答案:CHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.123.在實際中最常用的平均值是：HTMLCONTROLForms.HTML:Option.1A算術(shù)平均數(shù)；HTMLCONTROLForms.HTML:Option.1B調(diào)和平均數(shù)；HTMLCONTROLForms.HTML:Option.1C中位數(shù)；HTMLCONTROLForms.HTML:Option.1D幾何平均數(shù)正確答案:AHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.124.間隔相等的時點數(shù)列，計算序時平均數(shù)應(yīng)當采用：HTMLCONTROLForms.HTML:Option.1A幾何平均法；HTMLCONTROLForms.HTML:Option.1B加權(quán)算術(shù)平均法；HTMLCONTROLForms.HTML:Option.1C簡單算術(shù)平均法；HTMLCONTROLForms.HTML:Option.1D首末折半法正確答案:DHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.125.對于不等距數(shù)列，在制作直方圖時，則應(yīng)計算出：HTMLCONTROLForms.HTML:Option.1A頻數(shù)分布；HTMLCONTROLForms.HTML:Option.1B頻數(shù)密度；HTMLCONTROLForms.HTML:Option.1C各組次數(shù)；HTMLCONTROLForms.HTML:Option.1D各組組距正確答案:BHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.126.對于總體單位在被研究的標志上有明顯差異的情形，適宜于：HTMLCONTROLForms.HTML:Option.1A等距抽樣；HTMLCONTROLForms.HTML:Option.1B分層抽樣；HTMLCONTROLForms.HTML:Option.1C簡單隨機抽樣；HTMLCONTROLForms.HTML:Option.1D多階段抽樣正確答案:BHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.127.統(tǒng)計總體的基本特征是：HTMLCONTROLForms.HTML:Option.1A同質(zhì)性，數(shù)量性，變異性；HTMLCONTROLForms.HTML:Option.1B大量性，變異性，同質(zhì)性；HTMLCONTROLForms.HTML:Option.1C數(shù)量性，具體性，綜合性；HTMLCONTROLForms.HTML:Option.1D總體性，社會性，大量性正確答案:BHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.128.下列指標屬于比例相對指標的是：HTMLCONTROLForms.HTML:Option.1A工人出勤率；HTMLCONTROLForms.HTML:Option.1B農(nóng)輕重的比例關(guān)系；HTMLCONTROLForms.HTML:Option.1C每百元產(chǎn)值利稅額；HTMLCONTROLForms.HTML:Option.1D凈產(chǎn)值占總產(chǎn)值的比重正確答案:BHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.129.下列關(guān)系中屬于負相關(guān)的是：HTMLCONTROLForms.HTML:Option.1A農(nóng)田施肥量與畝產(chǎn)量之間的關(guān)系；HTMLCONTROLForms.HTML:Option.1B生產(chǎn)設(shè)備工作時間與維修費用之間的關(guān)系；HTMLCONTROLForms.HTML:Option.1C商品流通規(guī)模與流通費用之間的關(guān)系；HTMLCONTROLForms.HTML:Option.1D單位產(chǎn)品原材料消耗量與單位成本之間的關(guān)系正確答案:CHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.130.在建立與評價了一個回歸模型以后，我們可以：HTMLCONTROLForms.HTML:Option.1A估計未來所需要樣本的容量；HTMLCONTROLForms.HTML:Option.1B計算相關(guān)系數(shù)與判定系數(shù)；HTMLCONTROLForms.HTML:Option.1C以給定因變量的值估計自變量的值；HTMLCONTROLForms.HTML:Option.1D以給定自變量的值估計因變量的值。正確答案:DHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.131.某班學生數(shù)學考試成績分別為65分、71分、80分和87分，那末，這四個數(shù)字是：HTMLCONTROLForms.HTML:Option.1A指標；HTMLCONTROLForms.HTML:Option.1B標志；HTMLCONTROLForms.HTML:Option.1C變量；HTMLCONTROLForms.HTML:Option.1D標志值正確答案:DHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.132.用“水平法”檢查長期計劃的執(zhí)行情況使用于：HTMLCONTROLForms.HTML:Option.1A規(guī)定計劃期初應(yīng)達到水平；HTMLCONTROLForms.HTML:Option.1B規(guī)定計劃期內(nèi)某一期應(yīng)達到水平；HTMLCONTROLForms.HTML:Option.1C規(guī)定計劃期末應(yīng)達到水平；HTMLCONTROLForms.HTML:Option.1D規(guī)定整個計劃期累計應(yīng)達到水平正確答案:CHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.133.某百貨公司今年與去年相比商品零售價格平均下降了6%，商品零售量平均增長6%，則商品零售額：HTMLCONTROLForms.HTML:Option.1A保持不變；HTMLCONTROLForms.HTML:Option.1B平均下降0.36%；HTMLCONTROLForms.HTML:Option.1C平均上升0.36%；HTMLCONTROLForms.HTML:Option.1D平均下降0.64%正確答案:BHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.134.某城市擬對占全市儲蓄額五分之四的幾個大儲蓄所進行調(diào)查，以了解全市儲蓄的一般情況，則這種調(diào)查方式是：HTMLCONTROLForms.HTML:Option.1A普查；HTMLCONTROLForms.HTML:Option.1B典型調(diào)查；HTMLCONTROLForms.HTML:Option.1C抽樣調(diào)查；HTMLCONTROLForms.HTML:Option.1D重點調(diào)查正確答案:DHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.135.一種零件的標準直徑是15cm，質(zhì)量檢測員對所生產(chǎn)的零件是否符合標準要求進行檢驗時，應(yīng)該采取的假設(shè)形式為：HTMLCONTROLForms.HTML:Option.1A原假設(shè)大于等于15cm，而備擇假設(shè)小于15cm；HTMLCONTROLForms.HTML:Option.1B原假設(shè)小于等于15cm，而備擇假設(shè)大于15cm；HTMLCONTROLForms.HTML:Option.1C原假設(shè)等于15cm，而備擇假設(shè)不等于15cm；HTMLCONTROLForms.HTML:Option.1D原假設(shè)等于15cm，而備擇假設(shè)大于等于15cm正確答案:CHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.136.下列屬于品質(zhì)標志的是：HTMLCONTROLForms.HTML:Option.1A工人年齡；HTMLCONTROLForms.HTML:Option.1B工人性別；HTMLCONTROLForms.HTML:Option.1C工人體重；HTMLCONTROLForms.HTML:Option.1D工人工資正確答案:BHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.137.抽樣分布是指：HTMLCONTROLForms.HTML:Option.1A一個樣本各觀察值的分布；HTMLCONTROLForms.HTML:Option.1B總體中各觀察值的分布；HTMLCONTROLForms.HTML:Option.1C樣本統(tǒng)計量的分布；HTMLCONTROLForms.HTML:Option.1D樣本數(shù)量的分布正確答案:CHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.138.抽樣平均誤差反映了樣本指標與總體指標之間的：HTMLCONTROLForms.HTML:Option.1A實際誤差；HTMLCONTROLForms.HTML:Option.1B調(diào)查誤差；HTMLCONTROLForms.HTML:Option.1C可能誤差范圍；HTMLCONTROLForms.HTML:Option.1D平均誤差程度正確答案:DHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.139.單位成本與產(chǎn)品產(chǎn)量的相關(guān)關(guān)系，以及單位成本與單位產(chǎn)品原材料消耗量的相關(guān)關(guān)系，表述正確的是：HTMLCONTROLForms.HTML:Option.1A前者是正相關(guān)，后者是負相關(guān)；HTMLCONTROLForms.HTML:Option.1B前者是負相關(guān)，后者是正相關(guān)；HTMLCONTROLForms.HTML:Option.1C兩者都是正相關(guān)；HTMLCONTROLForms.HTML:Option.1D兩者都是負相關(guān)正確答案:BHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.140.某地從1995年到2000年各年的7月1日零時統(tǒng)計的人口資料分別為：23，23，24，25，25和26（單位：萬人）。則該地區(qū)1995～2000年的年平均人數(shù)為：HTMLCONTROLForms.HTML:Option.1A24.3（萬人）；HTMLCONTROLForms.HTML:Option.1B24.6（萬人）；HTMLCONTROLForms.HTML:Option.1C19.7（萬人）；HTMLCONTROLForms.HTML:Option.1D20.3（萬人）正確答案:AHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.141.某市工業(yè)總產(chǎn)值增長了10%，同期價格水平提高了3%，則該市工業(yè)生產(chǎn)指數(shù)為：HTMLCONTROLForms.HTML:Option.1A107%；HTMLCONTROLForms.HTML:Option.1B13%；HTMLCONTROLForms.HTML:Option.1C106.8%；HTMLCONTROLForms.HTML:Option.1D10%正確答案:CHTMLCONTROLForms.HTML:Hidden.1單選題HTMLCONTROLForms.HTML:Hidden.142.在方差分析中，反映樣本數(shù)據(jù)與其組平均值差異的是：HTMLCONTROLForms.HTML:Option.1A總體離差平方和；HTMLCONTROLForms.HTML:Option.1B組間誤差；HTMLCONTROLForms.HTML:Option.1C抽樣誤差；HTMLCONTROLForms.HTML:Option.1D組內(nèi)誤差正確答案:DHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.143.經(jīng)濟管理統(tǒng)計的職能是：HTMLCONTROLForms.HTML:Checkbox.1A信息職能；HTMLCONTROLForms.HTML:Checkbox.1B咨詢職能；HTMLCONTROLForms.HTML:Checkbox.1C決策職能；HTMLCONTROLForms.HTML:Checkbox.1D監(jiān)督職能；HTMLCONTROLForms.HTML:Checkbox.1E預測職能正確答案:ABDHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.144.經(jīng)濟管理統(tǒng)計的基本內(nèi)容，包括：HTMLCONTROLForms.HTML:Checkbox.1A描述統(tǒng)計；HTMLCONTROLForms.HTML:Checkbox.1B設(shè)計統(tǒng)計；HTMLCONTROLForms.HTML:Checkbox.1C推斷統(tǒng)計；HTMLCONTROLForms.HTML:Checkbox.1D預測統(tǒng)計；HTMLCONTROLForms.HTML:Checkbox.1E統(tǒng)計分析正確答案:ACEHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.145.簡單線性回歸分析的特點是：HTMLCONTROLForms.HTML:Checkbox.1A兩個變量之間不是對等關(guān)系；HTMLCONTROLForms.HTML:Checkbox.1B回歸系數(shù)有正負號；HTMLCONTROLForms.HTML:Checkbox.1C兩個變量都是隨機的；HTMLCONTROLForms.HTML:Checkbox.1D利用一個方程兩個變量可以互相推算；HTMLCONTROLForms.HTML:Checkbox.1E有可能求出兩個回歸方程正確答案:ABHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.146.確定直線回歸方程必須滿足的條件是：HTMLCONTROLForms.HTML:Checkbox.1A現(xiàn)象之間確實存在數(shù)量上的相互依存關(guān)系；HTMLCONTROLForms.HTML:Checkbox.1B相關(guān)系數(shù)必須等于1；HTMLCONTROLForms.HTML:Checkbox.1C現(xiàn)象之間存在較密切的直接相關(guān)關(guān)系；HTMLCONTROLForms.HTML:Checkbox.1D相關(guān)數(shù)列的項數(shù)必須足夠多；HTMLCONTROLForms.HTML:Checkbox.1E相關(guān)現(xiàn)象必須均屬于隨機現(xiàn)象正確答案:ACDEHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.147.加權(quán)算術(shù)平均數(shù)的大小受以下因素的影響：HTMLCONTROLForms.HTML:Checkbox.1A各組變量值；HTMLCONTROLForms.HTML:Checkbox.1B各組次數(shù)；HTMLCONTROLForms.HTML:Checkbox.1C各組比重；HTMLCONTROLForms.HTML:Checkbox.1D總體單位總數(shù)正確答案:ABCHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.148.某企業(yè)1990年的產(chǎn)值為2000萬元，1998年的產(chǎn)值為1990年的150%。則：HTMLCONTROLForms.HTML:Checkbox.1A年平均增長速度為6.25%；HTMLCONTROLForms.HTML:Checkbox.1B年平均增長速度為5.2%；HTMLCONTROLForms.HTML:Checkbox.1C年平均增長速度為4.6%；HTMLCONTROLForms.HTML:Checkbox.1D年平均增產(chǎn)量為125萬元；HTMLCONTROLForms.HTML:Checkbox.1E年平均增長量為111.11萬元正確答案:BDHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.149.如果某地區(qū)工人的日工資收入（元）隨勞動生產(chǎn)率（千元/人時）的變動符合簡單線性方程Y=60+90X，請說明下列的判斷中正確的有：HTMLCONTROLForms.HTML:Checkbox.1A當勞動生產(chǎn)率為1千元/人時，估計日工資為150元；HTMLCONTROLForms.HTML:Checkbox.1B勞動生產(chǎn)率每提高1千元/人時，則日工資一定提高90元；HTMLCONTROLForms.HTML:Checkbox.1C勞動生產(chǎn)率每降低0.5千元/人時，則日工資平均減少45元；HTMLCONTROLForms.HTML:Checkbox.1D當日工資為240元時，勞動生產(chǎn)率可能達到2千元/人。正確答案:ACHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.150.下列關(guān)于調(diào)查組織方式的判斷中，不正確的有：HTMLCONTROLForms.HTML:Checkbox.1A重點調(diào)查是一種非全面調(diào)查，既可用于經(jīng)常性調(diào)查，也可用于一次性調(diào)查；HTMLCONTROLForms.HTML:Checkbox.1B抽樣調(diào)查是非全面調(diào)查中最科學的方法，因此它適用于完成任何調(diào)查任務(wù)；HTMLCONTROLForms.HTML:Checkbox.1C在非全面調(diào)查中，抽樣調(diào)查最重要，重點調(diào)查次之，典型調(diào)查最不重要；HTMLCONTROLForms.HTML:Checkbox.1D如果典型調(diào)查的目的是為了近似地估計總體的數(shù)值，則可以選擇若干中等的典型單位進行調(diào)查；HTMLCONTROLForms.HTML:Checkbox.1E普查是取得全面統(tǒng)計資料的主要調(diào)查方法正確答案:BCDEHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.151.定序尺度可以：HTMLCONTROLForms.HTML:Checkbox.1A對事物分類；HTMLCONTROLForms.HTML:Checkbox.1B對事物排序；HTMLCONTROLForms.HTML:Checkbox.1C計算事物之間差距大小；HTMLCONTROLForms.HTML:Checkbox.1D計算事物數(shù)值之間的比值正確答案:ABHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.152.一元線性回歸方程中的回歸系數(shù)b可以表示為：HTMLCONTROLForms.HTML:Checkbox.1A兩個變量之間相關(guān)關(guān)系的密切程度；HTMLCONTROLForms.HTML:Checkbox.1B兩個變量之間相關(guān)關(guān)系的方向；HTMLCONTROLForms.HTML:Checkbox.1C當自變量增減一個單位時，因變量平均增減的量；HTMLCONTROLForms.HTML:Checkbox.1D當因變量增減一個單位時，自變量平均增減的量；HTMLCONTROLForms.HTML:Checkbox.1E回歸方程的擬合優(yōu)度正確答案:BCHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.153.在全市科技人員調(diào)查中：HTMLCONTROLForms.HTML:Checkbox.1A全市所有的科技人員是總體；HTMLCONTROLForms.HTML:Checkbox.1B每一位科技人員是總體單位；HTMLCONTROLForms.HTML:Checkbox.1C具有高級職稱的人數(shù)是數(shù)量指標；HTMLCONTROLForms.HTML:Checkbox.1D具有高級職稱的人數(shù)是質(zhì)量指標正確答案:ABCHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.154.按數(shù)量標志將總體單位分組形成的分布數(shù)列是：HTMLCONTROLForms.HTML:Checkbox.1A變量數(shù)列；HTMLCONTROLForms.HTML:Checkbox.1B品質(zhì)數(shù)列；HTMLCONTROLForms.HTML:Checkbox.1C變量分布數(shù)列；HTMLCONTROLForms.HTML:Checkbox.1D品質(zhì)分布數(shù)列；HTMLCONTROLForms.HTML:Checkbox.1E次數(shù)分布數(shù)列正確答案:ACEHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.155.在下列判斷中，不正確的有：HTMLCONTROLForms.HTML:Checkbox.1A按數(shù)量標志分組的變量數(shù)列就是次數(shù)分布數(shù)列；HTMLCONTROLForms.HTML:Checkbox.1B按分組標志在性質(zhì)上的差別，統(tǒng)計分組可分為簡單分組和復合分組；HTMLCONTROLForms.HTML:Checkbox.1C連續(xù)變量可以作單項式分組或組距式分組，而離散變量只能作組距式分組；HTMLCONTROLForms.HTML:Checkbox.1D異距數(shù)列中，為了消除組距不等對次數(shù)分布的影響，一般要計算累汁次數(shù)；HTMLCONTROLForms.HTML:Checkbox.1E組中值的假定性是指假定各單位變量值在本組內(nèi)呈均勻分布正確答案:BCDHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.156.影響抽樣平均誤差的因素有：HTMLCONTROLForms.HTML:Checkbox.1A樣本容量；HTMLCONTROLForms.HTML:Checkbox.1B抽樣方式；HTMLCONTROLForms.HTML:Checkbox.1C總體標志變異程度；HTMLCONTROLForms.HTML:Checkbox.1D樣本指標值的大??；HTMLCONTROLForms.HTML:Checkbox.1E總體單位數(shù)的多少正確答案:ABCDEHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.157.方差分析是：HTMLCONTROLForms.HTML:Checkbox.1A檢驗假設(shè)各個總體均值是否全部相等的一種方法；HTMLCONTROLForms.HTML:Checkbox.1B檢驗同方差的若干正態(tài)總體均值是否相符的一種統(tǒng)計分析方法；HTMLCONTROLForms.HTML:Checkbox.1C單因素方差分析中SSTR=SST－SSE；HTMLCONTROLForms.HTML:Checkbox.1D單因素方差分析中，組間離差方和的自由度為K正確答案:ABCHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.158.用于分析現(xiàn)象發(fā)展水平的指標有：HTMLCONTROLForms.HTML:Checkbox.1A發(fā)展速度；HTMLCONTROLForms.HTML:Checkbox.1B發(fā)展水平；HTMLCONTROLForms.HTML:Checkbox.1C平均發(fā)展水平；HTMLCONTROLForms.HTML:Checkbox.1D增減量；HTMLCONTROLForms.HTML:Checkbox.1E平均增減量正確答案:BCDEHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.159.品質(zhì)標志表示事物的質(zhì)的特征，數(shù)量標志表示事物的量的特征，所以：HTMLCONTROLForms.HTML:Checkbox.1A數(shù)量標志可以用數(shù)值表示；HTMLCONTROLForms.HTML:Checkbox.1B品質(zhì)標志可以用數(shù)值表示；HTMLCONTROLForms.HTML:Checkbox.1C數(shù)量標志不可以用數(shù)值表示；HTMLCONTROLForms.HTML:Checkbox.1D品質(zhì)標志不可以用數(shù)值表示正確答案:ADHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.160.下列標志中，屬于數(shù)量標志的有：HTMLCONTROLForms.HTML:Checkbox.1A性別；HTMLCONTROLForms.HTML:Checkbox.1B工種；HTMLCONTROLForms.HTML:Checkbox.1C工資；HTMLCONTROLForms.HTML:Checkbox.1D民族；HTMLCONTROLForms.HTML:Checkbox.1E年齡正確答案:CEHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.161.標志變異指標的主要作用是：HTMLCONTROLForms.HTML:Checkbox.1A衡量平均數(shù)代表性的大?。籋TMLCONTROLForms.HTML:Checkbox.1B反映統(tǒng)計數(shù)據(jù)的節(jié)奏性和均衡性；HTMLCONTROLForms.HTML:Checkbox.1C反映總體單位的均勻性和穩(wěn)定性；HTMLCONTROLForms.HTML:Checkbox.1D分析總體的變動趨勢正確答案:ABCHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.162.下面關(guān)于假設(shè)檢驗的陳述正確的是：HTMLCONTROLForms.HTML:Checkbox.1A假設(shè)檢驗實質(zhì)上是對原假設(shè)進行檢驗；HTMLCONTROLForms.HTML:Checkbox.1B假設(shè)檢驗實質(zhì)上是對備擇假設(shè)進行檢驗；HTMLCONTROLForms.HTML:Checkbox.1C當拒絕原假設(shè)時，只能認為肯定它的根據(jù)尚不充分，而不能認為它絕對錯誤；HTMLCONTROLForms.HTML:Checkbox.1D假設(shè)檢驗并不是根據(jù)樣本結(jié)果簡單地或直接地判斷原假設(shè)和備擇假設(shè)哪一個更有可能正確；HTMLCONTROLForms.HTML:Checkbox.1E當接受原假設(shè)時，只能認為否定它的根據(jù)尚不充分，而不是認為它絕對正確正確答案:ACEHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.163.不同總體之間的標準差不能直接對比是因為：HTMLCONTROLForms.HTML:Checkbox.1A平均數(shù)不一致；HTMLCONTROLForms.HTML:Checkbox.1B計量單位不一致；HTMLCONTROLForms.HTML:Checkbox.1C標準差不一致；HTMLCONTROLForms.HTML:Checkbox.1D總體單位數(shù)不一致正確答案:ABHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.164.分層抽樣具體可以分為：HTMLCONTROLForms.HTML:Checkbox.1A等比例的分層抽樣；HTMLCONTROLForms.HTML:Checkbox.1B純隨機抽樣；HTMLCONTROLForms.HTML:Checkbox.1C機械抽樣；HTMLCONTROLForms.HTML:Checkbox.1D整群抽樣；HTMLCONTROLForms.HTML:Checkbox.1E不等比例分層抽樣正確答案:AEHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.165.下列指標中屬于強度相對指標的有：HTMLCONTROLForms.HTML:Checkbox.1A人均國內(nèi)產(chǎn)生總值；HTMLCONTROLForms.HTML:Checkbox.1B人口密度；HTMLCONTROLForms.HTML:Checkbox.1C人均鋼產(chǎn)量；HTMLCONTROLForms.HTML:Checkbox.1D商品流通費正確答案:ABCDHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.166.下列指標中屬于質(zhì)量指標的有：HTMLCONTROLForms.HTML:Checkbox.1A勞動生產(chǎn)率；HTMLCONTROLForms.HTML:Checkbox.1B廢品量；HTMLCONTROLForms.HTML:Checkbox.1C單位產(chǎn)品成本；HTMLCONTROLForms.HTML:Checkbox.1D資金利潤率；HTMLCONTROLForms.HTML:Checkbox.1E上繳稅利額正確答案:ACDHTMLCONTROLForms.HTML:Hidden.1HTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.167.在組距數(shù)列中，組中值是：HTMLCONTROLForms.HTML:Checkbox.1A上限和下限之間的中點數(shù)值；HTMLCONTROLForms.HTML:Checkbox.1B用來代表各組標志值的平均水平；HTMLCONTROLForms.HTML:Checkbox.1C在開口組中無法確定；HTMLCONTROLForms.HTML:Checkbox.1D在開口組中也可以參照相鄰組的組距來確定；HTMLCONTROLForms.HTML:Checkbox.1E就是組平均數(shù)正確答案:ABDHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.168.以下屬于連續(xù)變量的有：HTMLCONTROLForms.HTML:Checkbox.1A國土面積；HTMLCONTROLForms.HTML:Checkbox.1B人口總數(shù)；HTMLCONTROLForms.HTML:Checkbox.1C年齡；HTMLCONTROLForms.HTML:Checkbox.1D總產(chǎn)值正確答案:ACDHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.169.在指數(shù)體系中：HTMLCONTROLForms.HTML:Checkbox.1A現(xiàn)象總變動指數(shù)等于兩個（或兩個以上）因素指數(shù)的代數(shù)和；HTMLCONTROLForms.HTML:Checkbox.1B現(xiàn)象總變動指數(shù)等于兩個（或兩個以上）因素指數(shù)的乘積；HTMLCONTROLForms.HTML:Checkbox.1C存在相對數(shù)之間的數(shù)量對等關(guān)系；HTMLCONTROLForms.HTML:Checkbox.1D存在絕對變動額之間的數(shù)量對等關(guān)系；HTMLCONTROLForms.HTML:Checkbox.1E各指數(shù)都是綜合指數(shù)正確答案:BCDEHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.170.同度量因素的作用有：HTMLCONTROLForms.HTML:Checkbox.1A平衡作用；HTMLCONTROLForms.HTML:Checkbox.1B權(quán)數(shù)作用；HTMLCONTROLForms.HTML:Checkbox.1C媒介作用；HTMLCONTROLForms.HTML:Checkbox.1D同度量作用；HTMLCONTROLForms.HTML:Checkbox.1E比較作用正確答案:BCDHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.171.下列等式中，正確的有：HTMLCONTROLForms.HTML:Checkbox.1A增長速度=發(fā)展速度－１；HTMLCONTROLForms.HTML:Checkbox.1B環(huán)比發(fā)展速度＝環(huán)比增長速度－１；HTMLCONTROLForms.HTML:Checkbox.1C定基發(fā)展速度＝定基增長速度＋１；HTMLCONTROLForms.HTML:Checkbox.1D平均發(fā)展速度＝平均增長速度－１；HTMLCONTROLForms.HTML:Checkbox.1E平均增長速度＝平均發(fā)展速度－１正確答案:ACEHTMLCONTROLForms.HTML:Hidden.1多選題HTMLCONTROLForms.HTML:Hidden.172.平均數(shù)指數(shù)是：HTMLCONTROLForms.HTML:Checkbox.1A個體指數(shù)的加權(quán)平均數(shù)；HTMLCONTROLForms.HTML:Checkbox.1B計算總指數(shù)的一種形式；HTMLCONTROLForms.HTML:Checkbox.1C就計算方法上是先綜合后對比；HTMLCONTROLForms.HTML:Checkbox.1D資料選擇時，既可以用全面資料，也可以用非全面資料；HTMLCONTROLForms.HTML:Checkbox.1E可作為綜合指數(shù)的變形形式來使用正確答案:ADEHTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.173.普查是全面調(diào)查，抽樣調(diào)查是非全面調(diào)查，所以普查一定比抽樣調(diào)查準確。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:錯HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.174.能夠拒絕原假設(shè)的統(tǒng)計量的所有可能取值的集合稱為拒絕域。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:對HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.175.顯著性水平是指在假設(shè)檢驗中犯第I類錯誤的概率水平。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:對HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.176.任何統(tǒng)計數(shù)據(jù)都可以歸結(jié)為絕對數(shù)、相對數(shù)和平均數(shù)中的一種。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:對HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.177.已知各級別工人的月工資水平和各組工資總額，可以采用加權(quán)算術(shù)平均法計算平均工資。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:對HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.178.若要比較兩個變量分布平均數(shù)代表性的高低，則方差或標準差大者平均數(shù)的代表性差。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:對HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.179.長期趨勢是影響時間序列的根本性，決定性的因素。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:對HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.180.只要變量分布具有相同的標準差，就會有相同的分布形狀。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:錯HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.181.指數(shù)的實質(zhì)是相對數(shù)，它能反映現(xiàn)象的變動和差異程度。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:對HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.182.在各種時間序列中，變量值的大小都受到時間長短的影響。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:錯HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.183.當總體單位不多，差異較小時，適宜采用簡單隨機抽樣方式。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:對HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.184.描述統(tǒng)計與推斷統(tǒng)計的區(qū)別在于前者簡單，后者復雜。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:錯HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTROLForms.HTML:Hidden.185.估計標準誤差值越大，直線回歸方程的精確性越低。HTMLCONTROLForms.HTML:Option.1正確HTMLCONTROLForms.HTML:Option.1錯誤正確答案:對HTMLCONTROLForms.HTML:Hidden.1判斷題HTMLCONTRO