Question

Q2: “If the coefficient of correlation between two variables is zero, it does not mean that the

variables are unrelated”. Comment. Find Karl Pearson’s correlation coefficient between age

and playing habits of the following students:

Age (Years) 15 16 17 18 19 20

No. of Students 250 200 150 120 100 80

Regular Players 200 150 90 48 30 12

Also calculate the probable error and point out if coefficientQ2: “If the coefficient of correlation between two variables is zero, it does not mean that the

variables are unrelated”. Comment. Find Karl Pearson’s correlation coefficient between age

and playing habits of the following students:

Age (Years) 15 16 17 18 19 20

No. of Students 250 200 150 120 100 80

Regular Players 200 150 90 48 30 12

Also calculate the probable error and point out if coefficient of correlation is significant. of correlation is significant.​

Answer 1

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