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# The manager of Colonial Furniture has been reviewing weekly advertising expenditures. During the past 6 months, all advertisements for the store have appeared in the local newspaper. The number of ads per week has varied from one to seven. The store’s sales staff has been tracking the number of customers who enter the store each week. The number of ads and the number of customers per week for the past 26 weeks were recorded. Determine the sample regression line.

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We are tasked to determine the regression line that describes the relationship between the number of ads and the number of customers. We let $x$ be the number of ads, and $y$ be the number of customers.

What are the coefficients in a regression line?

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