Calculate the coefficient of rank correlation.

The marks in Physics and Biology of 12 students in a public examination are as follows : {:("Physics",69,36,39,71,67,76,40,20,85,65,55,34),("Biology",33,52,71,25,79,22,83,81,24,35,46,64):} Calculate the coefficient of rank correlation. What conclusion can be made from the result ?

In a Fancy - dress competition,two judges accorded the following ranks to eight participants : Calculate coefficient of rank correlation.

Calculate the coefficient of correlation between the two series :

Calculate the coefficient of correlation between the values of x and y given below: What do you conclude about correlation?

Calculate the coefficient of correlation between income and weight Comment on the result

Deviation of two series X and Y are shown . Calculate coefficient of correlation .