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Please help with the question attached : The equation of the linear regression is y=a+s+e The least square estimate of a and ,6 are re

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Please help with the question attached :

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The equation of the linear regression is y=a+s+e The least square estimate of a and ,6 are re = Si and =3. ma: Use the formula given above and calculate the least square estimate of a: and ,8 [in R)

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