Calculate cofficient of correlation of the following data :

Calculate coefficient of variation of the following data:

Calculate coefficient of variation of the following data :

Calculate coefficient of variation for the following data :

Using assumed average in Karl Pearson's formula , calculate cofficient of correlation , given the following data:

Calculate Separman' coefficient of rank correlation from the following data and interpret the result.

Calculate the karl pearson's coefficient of Correlation from the following data and interpret the result.

Give three xamples of perfect correlation. Find out rank difference cofficient of correlation with the help of the following data: