Question: Class Exercise - Correlation Analysis X Y 10 5 15 8 20 11 16 65 15 18 82 12. 21 22 15 25 18

Class Exercise - Correlation Analysis X Y 10 5 15 8 20

Class Exercise - Correlation Analysis X Y 10 5 15 8 20 11 16 65 15 18 82 12. 21 22 15 25 18 20 10 15 8 18+ nExy-Ex Ey [nEx - (Ex)] [n y - (y)] 18 7 X represents the sales volume of a company and Y represents the Cost of Sales. Hypothesis: Sales volume is positively related to cost of sales Find coefficient of correlation (r) for the given data. Explain the value of r and accept or reject the hypothesis.

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