英语翻译correct answer is C.To determine the value,to the neares

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英语翻译
correct answer is C.
To determine the value,to the nearest hundred dollars,of the automobile when ,find the equation of the least-squares regression line and then evaluate that equation at .
A calculator can be used to find the least-squares regression line.The specific steps to be followed depend on the model of calculator,but they can be summarized as follows.Enter the statistics mode,edit the list of ordered pairs to include only the four points given in the table,and perform the linear regression.The coefficients will be,approximately,for the -intercept and for the slope,so the regression line is given by the equation .When ,one gets .Therefore,based on the least-squares linear regression,the value,to the nearest hundred dollars,of the automobile when is .
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正确答案是C.
确定价值,到最近的几百美元,汽车时,发现最小二乘回归方程的线,然后又在评价这方程.
一个计算器可以用来找到最小二乘回归线.应遵循的具体步骤依赖模型计算机,但他们可以概括如下.进入统计模式,编辑列表的有序组只包括四分表中所给的线性回归,履行.将系数近似为-intercept和斜坡上,所以相关曲线所赋予的方程.时,一得到的机会.因此,基于最小二乘线性回归、价值、去最近的几百美元,汽车当.

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