Example 18 - Yola

Compute the coefficient of correlation assuming 49 and 140 as the assumed means of age and pressure respectively. 15. Calculate Karl Pearson’s coefficient of correlation between expenditure on advertising (Rs. 000) and seles (lakh Rs.) from the data given below. Adv. Expenses 39 65 62 90 82 75 25 98 36 78 Sales 47 53 58 86 62 68 60 91 51 84 16. ................
................