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計量經(jīng)濟學第三版課后習題答案解析-在線瀏覽

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【正文】 Time: 15:20Sample: 1 22Included observations: 22VariableCoefficientStd. ErrortStatisticProb.HannanQuinn criter.FstatisticSchwarz criterionLog likelihoodAkaike info criterionSum squared resid. dependent var. of regressionMean dependent varAdjusted RsquaredCX2RsquaredDurbinWatson statProb(Fstatistic)有上可知,關系式為y=+②關于人均壽命與成人識字率的關系,用Eviews分析如下:Dependent Variable: YMethod: Least SquaresDate: 12/23/15 Time: 15:01Sample: 1 22Included observations: 22VariableCoefficientStd. ErrortStatisticProb.HannanQuinn criter.FstatisticSchwarz criterionLog likelihoodAkaike info criterionSum squared resid. dependent var. of regressionMean dependent varAdjusted RsquaredCX1Rsquared 專業(yè)資料整理分享 第二章 簡單線性回歸模型(1) ①首先分析人均壽命與人均GDP的數(shù)量關系,用Eviews分析:Dependent Variable: YMethod: Least SquaresDate: 12/23/15 Time: 14:37Sample: 1 22Included observations: 22VariableCoefficientStd. ErrortStatisticProb. 對于回歸系數(shù)的t檢驗:t(β1)=(20)=,對斜率系數(shù)的顯著性檢驗表明,人均GDP對人均壽命有顯著影響。對于回歸系數(shù)的t檢驗:t(β2)=(20)=,對斜率系數(shù)的顯著性檢驗表明,成人識字率對人均壽命有顯著影響。 對于回歸系數(shù)的t檢驗:t(β3)=(20)=,對斜率系數(shù)的顯著性檢驗表明,一歲兒童疫苗接種率對人均壽命有顯著影響。2)對于回歸系數(shù)的t檢驗:t(β2)=(31)=,對斜率系數(shù)的顯著性檢驗表明,全省生產(chǎn)總值對財政預算總收入有顯著影響。(2)當x=32000時,①進行點預測,由上可知Y=—,代入可得:Y= Y=*32000—=②進行區(qū)間預測:先由Eviews分析:XYMedianMinimumSkewnessJarqueBeraSum+09Observations33由上表可知,∑x2=∑(Xi—X)2=δ2x(n—1)= )2=當Xf=32000時,將相關數(shù)據(jù)代入計算得到:—√1/33+≤Yf≤+√1/33+即Yf的置信區(qū)間為(—, +)(3) 對于浙江省預算收入對數(shù)與全省生產(chǎn)總值對數(shù)的模型,由Eviews分析結果如下:Dependent Variable: LNYMethod: Least SquaresDate: 12/23/15 Time: 18:04Sample (adjusted): 1 33Included observations: 33 after adjustmentsVariableCoefficientStd. ErrortStatisticProb.LNXCRsquaredMean dependent varAdjusted Rsquared. dependent var. of regressionAkaike info criterionSum squared residSchwarz criterionLog likelihoodHannanQuinn criter.FstatisticDurbinWatson statProb(Fstatistic)①模型方程為:lnY=②由上可知,模型的參數(shù):,③關于浙江省財政預算收入與全省生產(chǎn)總值的模型,檢驗其顯著性:1),說明所建模型整體上對樣本數(shù)據(jù)擬合較好。④經(jīng)濟意義:全省生產(chǎn)總值每增長1%,%(1)對建筑面積與建造單位成本模型,用Eviews分析結果如下:Dependent Variable: YMethod: Least SquaresDate: 12/23/15 Time: 20:11Sample: 1 12Included observations: 12VariableCoefficientStd. ErrortStatisticProb.XCRsquaredMean dependent varAdjusted Rsquared. dependent var. of regressionAkaike info criterionSum squared residSchwarz criterionLog likelihoodHannanQuinn criter.FstatisticDurbinWatson statProb(Fstatistic)由上可得:建筑面積與建造成本的回歸方程為:Y=(2)經(jīng)濟意義:建筑面積每增加1萬平方米。MeanMaximumStd. Dev.JarqueBeraSumObservations12由上表可知,∑x2=∑(Xi—X)2=δ2x(n—1)= )2=當Xf=,將相關數(shù)據(jù)代入計算得到:—√1/12+≤Yf≤+√1/12+即Yf的置信區(qū)間為(—, +)(1)①對百戶擁有家用汽車量計量經(jīng)濟模型,用Eviews分析結果如下:Dependent Variable: YMethod: Least SquaresDate: 12/23/15 Time: 20:59Sample: 1 31Included observations: 31VariableCoefficientStd. ErrortStatisticProb.X2X3X4CRsquaredMean dependent varAdjusted Rsquared. dependent var. of regressionAkaike info criterionSum squared residSchwarz criterionLog likelihoodHannanQuinn criter.FstatisticDurbinWatson statProb(Fstatistic)②得到模型得:Y=+  X4③對模型進行檢驗:1) ,說明模型對樣本擬合較好2) F檢驗,F(xiàn)=F(3,27)=,回歸方程顯著。④依據(jù):1) 可決系數(shù)越大,說明擬合程度越好2) F的值與臨界值比較,若大于臨界值,則否定原假設,回歸方程是顯著的;若小于臨界值,則接受原假設,回歸方程不顯著。(2)經(jīng)濟意義:人均GDP增加1萬元,城鎮(zhèn)人口比重增加1個百分點,交通工具消費價格指數(shù)每上升1。(1)對出口貨物總額計量經(jīng)濟模型,用Eviews分析結果如下::Dependent Variable: YMethod: Least SquaresDate: 12/24/15 Time: 08:23Sample: 1994 2011Included observations: 18VariableCoefficientStd. ErrortStatisticProb.X2X3CRsquaredMean dependent varAdjusted Rsquared. dependent var. of regressionAkaike info criterionSum squared resid8007316.Schwarz criterionLog likelihoodHannanQuinn criter.FstatisticDurbinWatson statProb(Fstatistic)①由上可知,模型為:Y = + ②對模型進行檢驗: 1),說明模型對樣本擬合較好2)F檢驗,F(xiàn)=F(2,15)=,回歸方程顯著3)t檢驗,大于t(15)=,系數(shù)是顯著的,小于t(15)=,說明此系數(shù)是不顯著的。2)F檢驗,F(xiàn)= F(2,15)=,回歸方程顯著。(3)①(1)式中的經(jīng)濟意義:工業(yè)增加1億元,人民幣匯率增加1。2)F檢驗,F(xiàn)= F(2,15)=,回歸方程顯著。③經(jīng)濟意義:家庭月平均收入增加1元,戶主受教育年數(shù)增加1年。回歸系數(shù)與被解釋變量的殘差系數(shù)是一樣的,它們的變化規(guī)律是一致的。②評價:1) ,數(shù)據(jù)相當大,可以認為擬合程度很好。(3)根據(jù)Eviews分析得到數(shù)據(jù)如下:Dependent Variable: YMethod: Least SquaresDate: 12/24/15 Time: 10:20Sample: 1994 2011Included observations: 18VariableCoefficientStd. ErrortStatisticProb.X5X6CRsquaredMean dependent varAdjusted Rsquared. dependent
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