A lead inspector at Electro Tech, an electronics assembly shop, wants to convince management that it...

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A lead inspector at Electro Tech, an electronics assembly shop, wants to convince management that it takes longer, on a per-component basis, to inspect large devices with many components than it does to inspect small devices because it is difficult to keep track of which components have already been inspected. To prove her point, she has collected data from the last 25 devices. The data are shown in the accompanying table. Number of Components on Device 可 3213971514272980201969254613211223 89885558289585 Time (sec) 123 100- Inspection Time (seconds) 0- 0 84 49 30 60 51 41 71 22 42 63 26 80 48 31 62 60 72 a. A scatterplot of the above data is shown below. Does the lead inspector's claim seem credible? 102 44 67 46 70 Number of components Yes No b-1.Estimate the linear, quadratic, and cubic regression models. Report the Adjusted R2 for each model. (Round your answers to 4 decimal places.) Adjusted R2 Linear model Quadratic model Cubic model b-2. Which model has the best fit? Linear model Quadratic model Cubic model c. Use the best model to predict the time required to inspect a device with 35 components. (Round your answer to 2 decimal places.) Time required seconds A lead inspector at Electro Tech, an electronics assembly shop, wants to convince management that it takes longer, on a per-component basis, to inspect large devices with many components than it does to inspect small devices because it is difficult to keep track of which components have already been inspected. To prove her point, she has collected data from the last 25 devices. The data are shown in the accompanying table. Number of Components on Device 可 3213971514272980201969254613211223 89885558289585 Time (sec) 123 100- Inspection Time (seconds) 0- 0 84 49 30 60 51 41 71 22 42 63 26 80 48 31 62 60 72 a. A scatterplot of the above data is shown below. Does the lead inspector's claim seem credible? 102 44 67 46 70 Number of components Yes No b-1.Estimate the linear, quadratic, and cubic regression models. Report the Adjusted R2 for each model. (Round your answers to 4 decimal places.) Adjusted R2 Linear model Quadratic model Cubic model b-2. Which model has the best fit? Linear model Quadratic model Cubic model c. Use the best model to predict the time required to inspect a device with 35 components. (Round your answer to 2 decimal places.) Time required seconds

Answer rating: 100% (QA)

athe lead inspectors claim is credible therefore the rejoinder is yes using mini tabstatRegression ... View the full answer