统计学原理作业2.doc

我国31个省市自治区的工业企业经济效益评价的18的指标如下： X1﹣企业单位数 X2﹣资产总计 X3﹣流动资产合计 X4﹣固定资产原价 X5﹣累计折旧 X6﹣负债合计 X7﹣流动负债合计 X8﹣所有者权益合计 X9﹣主营业务收入 X10﹣主营业务成本 X11﹣主营业务税金及附加 X12﹣利润总额 X13﹣本年应交增值税 X14﹣总资产贡献率 X15﹣资产负债率 X16﹣流动资产周转次数 X17﹣工业成本费用利润率 X18﹣产品销售率 计算原始变量间的相关系数 首先，选择【分析】—【相关】—【双变量】，如下图所示 单机【确定】按钮，计算出这18个变量之间的相关关系，如下表所示。 18个指标间的相关性 相关矩阵 X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 X12 X13 X14 X15 X16 X17 X18 相关 X1 1.000 .951 .959 .922 .898 .945 .956 .946 .957 .958 .773 .916 .941 .216 -.058 .330 -.342 .148 X2 .951 1.000 .988 .974 .955 .996 .990 .993 .967 .966 .790 .942 .961 .142 -.007 .248 -.305 .131 X3 .959 .988 1.000 .945 .934 .986 .995 .980 .950 .950 .761 .913 .942 .110 -.021 .192 -.318 .146 X4 .922 .974 .945 1.000 .988 .967 .955 .971 .979 .977 .833 .968 .976 .243 -.011 .365 -.274 .119 X5 .898 .955 .934 .988 1.000 .946 .938 .955 .964 .962 .838 .943 .955 .221 -.039 .348 -.286 .146 X6 .945 .996 .986 .967 .946 1.000 .994 .979 .954 .953 .765 .924 .954 .121 .048 .226 -.316 .105 X7 .956 .990 .995 .955 .938 .994 1.000 .974 .951 .951 .750 .914 .947 .112 .028 .205 -.323 .126 X8 .946 .993 .980 .971 .955 .979 .974 1.000 .971 .970 .812 .954 .957 .165 -.080 .270 -.286 .163 X9 .957 .967 .950 .979 .964 .954 .951 .971 1.000 1.000 .825 .981 .986 .258 -.069 .394 -.315 .174 X10 .958 .966 .950 .977 .962 .953 .951 .970 1.000 1.000 .817 .978 .983 .248 -.070 .392 -.323 .177 X11 .773 .790 .761 .833 .838 .765 .750 .812 .825 .817 1.000 .827 .826 .462 -.090 .428 -.216 .059 X12 .916 .942 .913 .968 .943 .924 .914 .954 .981 .978 .827 1.000 .981 .342 -.086 .402 -.183 .174 X13 .941 .961 .942 .976 .955 .954 .947 .957 .986 .983 .826 .981 1.000 .309 -.019 .374 -.247 .148 X14 .216 .142 .110 .243 .221 .121 .112 .165 .258 .248 .462 .342 .309 1.000 .043 .761 .115 .060 X15 -.058 -.007 -.021 -.011 -.039 .048 .028 -.080 -.069 -.070 -.090 -.086 -.019 .043 1.000 .060 -.351 -.671 X16 .330 .248 .192 .365 .348 .226 .205 .270 .394 .392 .428 .402 .374 .761 .060 1.000 -.357 .074