Download - 第 14 章 相关分析与回归分析
Transcript
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14http://218.192.12.13/kcpt/jkx.html
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14 Excel
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XY E{[X E(X)][Y E(Y)]}XYCovX ,Y
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ExcelCOVARarray1array2COVARarray1array2array1array2COVAR
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14-12006
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|| 1> 0XY 1XY= 1XY= -1XY= 0XY
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ExcelCORRELarray1array2 array1 array2 CORRELarray1array2array1array2
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14-22006
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Excel
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41XY42=Sheet1!$B$3:$C$124342Sheet1
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14-310yxy=ax+b50
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11-2
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xyB33B34x50y 616.61
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14-4 10 y=0+1x1 +2x2yx1x2
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xyB31B32B30 x1yx2y
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,
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Excel
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Excel
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14-5
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xy
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Excel
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yxB31B32B33
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Excel