solve this ques with karl Pearson method find out coefficient of correlation .
x 78 89 97 69 59 79 68 61
y 125 137 156 112 107 106 123 138
AkashMandal:
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5.97
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◆ Karlpearson Pearson Coefficient of Correlation :
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According to karl Pearson, Coefficient of Correlation is determined by dividing the sum of products of deviations from their respective means by their number of pairs and their standard deviations.
It is denoted by the symbol ‛r’.
◆ Calculation
---–-----------------------------------------------
While calculating coefficient of correlation according to karl Pearson's formula, we can use the following Methods:-
1. Actual Mean Method
2. Direct Method
3. Short-Cut Method/ Assumed Mean Method/Indirect Method
4. Step-Deviation Method.
-----------------------------–--------------------
According to karl Pearson, Coefficient of Correlation is determined by dividing the sum of products of deviations from their respective means by their number of pairs and their standard deviations.
It is denoted by the symbol ‛r’.
◆ Calculation
---–-----------------------------------------------
While calculating coefficient of correlation according to karl Pearson's formula, we can use the following Methods:-
1. Actual Mean Method
2. Direct Method
3. Short-Cut Method/ Assumed Mean Method/Indirect Method
4. Step-Deviation Method.
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