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LINEAR REGRASSION — Statistics STD 12 Commerce — Question

Gujarat BoardEnglish MediumSTD 12 CommerceStatisticsLINEAR REGRASSION3 Marks
Question
State the properties of regression coefficient. Also state the point through which a regression line always passes.
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Answer

Properties: 1. It has the same sign as correlation coefficient (r).
2. It is independent of change of origin but not scale.
Point : Regression line always passes through ($\bar{x}, \bar{y}$).

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