In a period of eight years, the revenue of a company (in $ millions) was 25, 26, 28, 27, 26, 29, 29, and 34.For the same period, the spending on advertisement (in $ thousands) was 16, 13, 15, 14, 16, 17, 19, and 22.Estimate the percentage of variation in revenue explained by variation in advertising.

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In a period of eight years, the revenue of a company (in $ millions) was 25, 26, 28, 27, 26, 29, 29, and 34.For the same period, the spending on advertisement (in $ thousands) was 16, 13, 15, 14, 16, 17, 19, and 22.Estimate the percentage of variation in revenue explained by variation in advertising.





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