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The Helicopter Division of Aerospatiale is studying assembly costs at its Marseilles plant. Past data indicates the accompanying data of number of labor hours per helicopter. Reduction in labor hours over time is often called a "learning curve" phenomenon. Using these data, apply simple linear regression and examine the esidual plot. What do you conclude? Construct a scatter chart and use the Excel Trendline feature to identify the best type of curvilinear trendline (but not going beyond a second-order polynomial) that maximizes R. Click the icon to view the Helicopter Data. The residuals plot has a nonlinear shape. Therefore, this data cannot be modeled with a linear model. Determine the best curvilinear trendline that maximizes R. Data table for number of hours per helicopter OA. The best trendline is Logarithmic with an R² value of The equation is y (D tn ( . TT (Round the coefficient of the logarithm to one decimal place as needed. Round all other values to three decimal places as needed.) Helicopter Number Labor HourS 2000 1400 1238 OB. The best trendline is Exponential with an R value of The equation is y= Oe. (Round the coefficient to one decimal place as needed. Round all other values to three decimal places as needed.) ос. 3 The best trendline is Power with an R value of. The equation is y= (Dx. (Round the coefficient to one decimal place as needed. Round all other values to three decimal places as needed.) 1142 1075 1029 985 957 O D. The best trendline is Polynomial with an R? value of The equation is y D.+ (Round to three decimal places as needed.) Print Done

The Helicopter Division of Aerospatiale is studying assembly costs at its Marseilles plant. Past data indicates the accompanying data of number of labor hours per helicopter. Reduction in labor hours over time is often called a "learning curve" phenomenon. Using these data, apply simple linear regression and examine the esidual plot. What do you conclude? Construct a scatter chart and use the Excel Trendline feature to identify the best type of curvilinear trendline (but not going beyond a second-order polynomial) that maximizes R. Click the icon to view the Helicopter Data. The residuals plot has a nonlinear shape. Therefore, this data cannot be modeled with a linear model. Determine the best curvilinear trendline that maximizes R. Data table for number of hours per helicopter OA. The best trendline is Logarithmic with an R² value of The equation is y (D tn ( . TT (Round the coefficient of the logarithm to one decimal place as needed. Round all other values to three decimal places as needed.) Helicopter Number Labor HourS 2000 1400 1238 OB. The best trendline is Exponential with an R value of The equation is y= Oe. (Round the coefficient to one decimal place as needed. Round all other values to three decimal places as needed.) ос. 3 The best trendline is Power with an R value of. The equation is y= (Dx. (Round the coefficient to one decimal place as needed. Round all other values to three decimal places as needed.) 1142 1075 1029 985 957 O D. The best trendline is Polynomial with an R? value of The equation is y D.+ (Round to three decimal places as needed.) Print Done

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The Helicopter Division of Aerospatiale is studying assembly costs at its Marseilles plant. Past data indicates the accompanying data of number of labor hours per helicopter. Reduction in labor hours over time is often called a "learning curve" phenomenon. Using these data, apply simple linear regression and examine the residual plot. What do you conclude? Construct a scatter chart and use the Excel Trendline feature to identify the best type of curvilinear trendline (but not going beyond a second-order polynomial) that maximizes R E Click the icon to view the Helicopter Data. The residuals plot has a nonlinear shape. Therefore, this data cannot be modeled with a linear model. Determine the best curvilinear trendline that maximizes R2. Data table for number of hours per helicopter A. The best trendline is Logarithmic with an R value of The equation is y = () In (x) Helicopter Number Labor Hours 2000 (Round the coefficient of the logarithm to one decimal place as needed. Round all other values to three decimal places as needed.) Ов. The best trendline is Exponential with an R value of 1400 The equation is y = 1238 (Round the coefficient to one decimal place as needed. Round all other values to three decimal places as needed.) 1142 1075 OC. The best trendline is Power with an R? value of. The equation is y = ()> 1029 7 985 (Round the coefficient to one decimal place as needed. Round all other values to three decimal places as needed.) 8 957 O D. The best trendline is Polynomial with an R value of The equation is y = ( (Round to three decimal places as needed.) Print Done
Transcribed Image Text:The Helicopter Division of Aerospatiale is studying assembly costs at its Marseilles plant. Past data indicates the accompanying data of number of labor hours per helicopter. Reduction in labor hours over time is often called a "learning curve" phenomenon. Using these data, apply simple linear regression and examine the residual plot. What do you conclude? Construct a scatter chart and use the Excel Trendline feature to identify the best type of curvilinear trendline (but not going beyond a second-order polynomial) that maximizes R E Click the icon to view the Helicopter Data. The residuals plot has a nonlinear shape. Therefore, this data cannot be modeled with a linear model. Determine the best curvilinear trendline that maximizes R2. Data table for number of hours per helicopter A. The best trendline is Logarithmic with an R value of The equation is y = () In (x) Helicopter Number Labor Hours 2000 (Round the coefficient of the logarithm to one decimal place as needed. Round all other values to three decimal places as needed.) Ов. The best trendline is Exponential with an R value of 1400 The equation is y = 1238 (Round the coefficient to one decimal place as needed. Round all other values to three decimal places as needed.) 1142 1075 OC. The best trendline is Power with an R? value of. The equation is y = ()> 1029 7 985 (Round the coefficient to one decimal place as needed. Round all other values to three decimal places as needed.) 8 957 O D. The best trendline is Polynomial with an R value of The equation is y = ( (Round to three decimal places as needed.) Print Done
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