Answer question number 6

Answer question number 6 (2.6. From the following data Compute the product moment correlation between X and Y. Arithmetic Mean Sum of uare of deviations from Arithmetic Mean X Series 25 136 Y Series 18 138 Summation Of products Of deviations of X and Y series from their respective means = 122 Number Of points Of values = 15 [r = 0891 Q.7. Calculate Karl Pearson's Coefficient Of Correlation on the following data: 18 21 '24 27 3036 39 4248 15 x 41 45 25 25 27 27 31 33 35 41 Y QS. Calculate Karl Pearson's coefficient Of correlation between the sales and expenses of following 10 firms: Firms (in e '000) (in e'OOO) 1 50 11 2 50 13 3 55 14 4 60 16 5 65 16 6 65 15 7 65 15 8 60 14 9 60 13 10 50 13

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