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Estimating equation that best fits the data

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Campus Stores has been selling the Believe it or not; Wonders of statistics study Guide for 12 semesters and would like to estimate the relationship between sales and number of sections of elementary statistics taught in each semester. The following data have been collected:

Sales (units) 33 38 24 61 52 45 65 82 29 63 50 79

Number of sections 3 7 6 6 10 12 12 13 12 13 14 15

(a) Develop the estimating equation that best fits the data.

(b) Calculate the sample coefficient of determination and the sample coefficient of correlation

Reference no: EM132495383

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