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Note &-, 0.86& <L the there is high positive., correlation., D If, 2) If, then there, is low, positive correlation., * Merits and Demerits, Merits o-, D kasl Pearson's corselation coefficientt gives, the humenical value along, of correlation., with the direction, 2) It is useful for estiroation,, a) Demerits s-, H The value of 8 can be. calculated only, if the data is, calculated for qualitative data., numprical. It canDot bē, The value of g' is less affected by, 2), Lextreme value., the, O The computation of the value e' is, 3ometimes tediouo jo, 4) It cannot be calculated when their is no, lineq& reladionship between vaiables.