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LINEAR REGRASSION — Statistics STD 12 Commerce — Question

Gujarat BoardEnglish MediumSTD 12 CommerceStatisticsLINEAR REGRASSION1 Mark
Question
Will the regression coefficient change If the values of both the variables are doubled with the help of transformation of scale?
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Answer

If the values of both the variable are doubled then the value of the regression coefficient will not change, because $C_x = \frac{1}{2}$ and $C_y = \frac{1}{2}$

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