dx= ( x - x̅ ) and dy = (y - y )
Chapter 13: Chapter 12 · ECONOMICS · EN medium
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r is free from origin r is free from unit of measurement - ≤r≤+ Direct Method: N ∑ dxdy − ( ∑ dx ) ( ∑ dy ) N ∑ dx − ( ∑ dx ) N ∑ dy − ( ∑ dy ) Example : Calculate Karl Pearson’s Coefficient of correlation from the following data and interpret its value: Price :X Supply:Y Solution: Let us take Price as X and supply as Y
📖 Class 12 Economics English Medium 2024 Edition www.tntextbooks.in · Page 275
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r is free from origin r is free from unit of measurement - ≤r≤+ Direct Method: N ∑ dxdy − ( ∑ dx ) ( ∑ dy ) N ∑ dx − ( ∑ dx ) N ∑ dy − ( ∑ dy ) Example : Calculate Karl Pearson’s Coefficient of correlation from the following data and interpret its value: Price :X Supply:Y Solution: Let us take Price as X and supply as Y
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