求一元线性回归方程Y=aX+b a,b的值.期中 X1,X2,……X31=40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70.Y1,Y2,Y3 ……Y31=60,61,62,63,64,65,66,67,68,69,69,70,71,72,73,74,75,75,76,77,78,79,79,80
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![求一元线性回归方程Y=aX+b a,b的值.期中 X1,X2,……X31=40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70.Y1,Y2,Y3 ……Y31=60,61,62,63,64,65,66,67,68,69,69,70,71,72,73,74,75,75,76,77,78,79,79,80](/uploads/image/z/5176103-23-3.jpg?t=%E6%B1%82%E4%B8%80%E5%85%83%E7%BA%BF%E6%80%A7%E5%9B%9E%E5%BD%92%E6%96%B9%E7%A8%8BY%3DaX%2Bb+a%2Cb%E7%9A%84%E5%80%BC.%E6%9C%9F%E4%B8%AD+X1%2CX2%2C%E2%80%A6%E2%80%A6X31%3D40%2C41%2C42%2C43%2C44%2C45%2C46%2C47%2C48%2C49%2C50%2C51%2C52%2C53%2C54%2C55%2C56%2C57%2C58%2C59%2C60%2C61%2C62%2C63%2C64%2C65%2C66%2C67%2C68%2C69%2C70.Y1%2CY2%2CY3+%E2%80%A6%E2%80%A6Y31%3D60%2C61%2C62%2C63%2C64%2C65%2C66%2C67%2C68%2C69%2C69%2C70%2C71%2C72%2C73%2C74%2C75%2C75%2C76%2C77%2C78%2C79%2C79%2C80)
求一元线性回归方程Y=aX+b a,b的值.期中 X1,X2,……X31=40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70.Y1,Y2,Y3 ……Y31=60,61,62,63,64,65,66,67,68,69,69,70,71,72,73,74,75,75,76,77,78,79,79,80
求一元线性回归方程Y=aX+b a,b的值.期中 X1,X2,……X31=40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70.
Y1,Y2,Y3 ……Y31=60,61,62,63,64,65,66,67,68,69,69,70,71,72,73,74,75,75,76,77,78,79,79,80,81,82,82,83,84,84,85
求一元线性回归方程Y=aX+b a,b的值.期中 X1,X2,……X31=40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70.Y1,Y2,Y3 ……Y31=60,61,62,63,64,65,66,67,68,69,69,70,71,72,73,74,75,75,76,77,78,79,79,80
y=0.8319x+27.603 其中a=0.8319 ,b=27.603 这个可以在Excel中用图表的方式直接表现出来