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##### BUSI 411 OPS MGMT Assignment

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Question;1.;y-hat = 14 + 7.34x;y-hat = 3 + 25 In(x);In(y-hat) = 2 + 0.08x, se = 0.06;In(y-hat) = 2.5 + 0.48 In(x), se = 0.16;a.;Interpret the slope coefficient in each of the above estimated models, when x increase by one unit in Models 1 and 3 and by 1% in Models 2 and 4.;(Round your answers to 2 decimal places.);Model 1: y-hat increases by units.;7.34;Model 2: y-hat increases by about units. 0.25;Model 3: y-hat increases by about percent. 8.00;Model 4: y-hat increases by about percent..48;2.;b.;For each model, what is the predicted change in y when x increases by 6%, from 10 to 10.6?;(Round intermediate calculations to 4 decimal places and final answers to 2 decimal;places.);Model 1: y-hat increases by units.;4.40;Model 2: y-hat increases by units. 1.46;Model 3: y-hat increases by percent. 4.92;Model 4: y-hat increases by percent. 2.84;3. Consider the sample regressions for the linear, the logarithmic, the;exponential, and the log-log models. For each of the estimated models;predict y when x equals 57. (Do not round intermediate calculations.;Round your answers to 2 decimal places.);Response Variable: Response;y;Variable: ln(y);Model 1;Model 2;Model 3;Model 4;Intercept;15.13;5.51;1.22;0.83;X;1.42;NA;0.05;NA;ln(x);NA;24.45;NA;0.77;se;19.54;16.10;0.12;0.10;y-hat;Model 1;Model 2;Model 3;Model 4;4. Eva, the owner of Eva's Second Time Around Wedding Dresses, currently has five dresses to be altered, shown in the order in which they arrived;If Eva uses the shortest processing time first priority rule to schedule these jobs, what will be the average job tardiness?;2 hours;5. Eva, the owner of Eva's Second Time Around Wedding Dresses, currently has five dresses to be altered, shown in the order in which they arrived;If Eva uses the shortest processing time first (SPT) priority rule to schedule these jobs, what will be the average completion time?;3 hours;5 hours;7 hours

Paper#19724 | Written in 18-Jul-2015

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