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##### 1. A large department store has collected the fo...

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1. A large department store has collected the following monthly data on lost sales revenue due to theft and the number of security guard hours on duty: Lost Sales Revenue in Thousands Total Guard Hours 1.0 600 1.4 630 1.9 1000 2.0 1200 1.8 950 2.1 1300 2.3 1350 Determine the least squares regression equation. Answer least squares equation: Y = .0014X +.3780 least squares equation: Y = .0014X + .955 least squares equation: Y = .0014 X + .9121 least squares equation: Y = .3780X+ .0014 2. A large department store has collected the following monthly data on lost sales revenue due to theft and the number of security guard hours on duty: Lost Sales Revenue in Thousands Total Guard Hours 1.0 600 1.4 630 1.9 1000 2.0 1200 1.8 950 2.1 1300 2.3 1350 Calculate the coefficient of correlation. Answer coefficient of correlation = 0.0014 coefficient of correlation = 0.3780 coefficient of correlation = 0.955 coefficient of correlation = 0.6785 3. A large department store has collected the following monthly data on lost sales revenue due to theft and the number of security guard hours on duty: Lost Sales Revenue in Thousands Total Guard Hours 1.0 600 1.4 630 1.9 1000 2.0 1200 1.8 950 2.1 1300 2.3 1350 Calculate the coefficient of determination. Answer coefficient of determination = 0.0014 coefficient of determination = 0.9121 coefficient of determination = 0.6734 coefficient of determination = 0.9955

Paper#13490 | Written in 18-Jul-2015

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