Question: Required: Find the sample correlation coeffient value and interpret the strength of relationship between the weekly advertising expenditures and sales. Exercise Correlation Analysis A study

Required: Find the sample correlation coeffient value and interpret the strength of relationship between the weekly advertising expenditures and sales.

Exercise Correlation Analysis A study was made by a retail merchant to determine the relationship between the weekly advertising expenditures and sales. The following data were recorded. Advertising Costs (S) Sales (.3) 40 385 20 400 25 395 20 365 30 475 50 440 40 490 20 420 50 560 40 525 25 480 50 5 10

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