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Q1. Use least squares regression line to estimate the increase in sales revenue expected from an increase of 7.5 % in advertising expenditure. Firm Annual

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Q1. Use least squares regression line to estimate the increase in sales revenue expected from an increase of 7.5 % in advertising expenditure. Firm Annual percentage Annual percentage increase in advertising increase in sales expenditure revenue A 1 l B 3 2 C 4 2 D 6 4 E 8 6 F 9 8 G 11 8 H 14 9

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