Mathematics, 27.11.2019 05:31 ewalchloe5067920

The publisher of a regional telephone book surveyed a simple random sample of 10 of its commercial yellow-page ad customers to determine whether the size of their ads in square inches were correlated with the proportion of calls to the business that were generated by the ads.

a. calculate the correlation coefficient
b. calculate the coefficient of determination

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The publisher of a regional telephone book surveyed a simple random sample of 10 of its commercial y...