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The following data are for calculator sales in units at an electronics store over the past nine weeks: Week 1 2 3 Obtain the error measures. (Enter your responses rounded to two decimal places.) 4 5 CFE MSE Sales 44 46 44 51 58 Use trend projection with regression to forecast sales for weeks 10-13. What are the error measures (CFE, MSE, o, MAD, and MAPE) for this forecasting procedure? How about r²? Obtain the trend projection with regression forecast for weeks 10-13. (Enter your responses rounded to two decimal places.) Forecast, F Find the coefficient of determination (²). The coefficient of determination r² = 0. (Enter your response rounded to two decimal places.) Period 10 11 12 13 Week 6 7 6 8 9 Sales 54 63 53 61 MAD MAPE %

The following data are for calculator sales in units at an electronics store over the past nine weeks: Week 1 2 3 Obtain the error measures. (Enter your responses rounded to two decimal places.) 4 5 CFE MSE Sales 44 46 44 51 58 Use trend projection with regression to forecast sales for weeks 10-13. What are the error measures (CFE, MSE, o, MAD, and MAPE) for this forecasting procedure? How about r²? Obtain the trend projection with regression forecast for weeks 10-13. (Enter your responses rounded to two decimal places.) Forecast, F Find the coefficient of determination (²). The coefficient of determination r² = 0. (Enter your response rounded to two decimal places.) Period 10 11 12 13 Week 6 7 6 8 9 Sales 54 63 53 61 MAD MAPE %

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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The following data are for calculator sales in units at an electronics store over the past nine weeks: Week 1 2 3 4 5 Obtain the error measures. (Enter your responses rounded to two decimal places.) CFE MSE Sales Find the coefficient of determination (²). The coefficient of determination r² = 0. (Enter your response rounded to two decimal places.) 44459 46 51 58 Use trend projection with regression to forecast sales for weeks 10-13. What are the error measures (CFE, MSE, 6, MAD, and MAPE) for this forecasting procedure? How about r²? Obtain the trend projection with regression forecast for weeks 10-13. (Enter your responses rounded to two decimal places.) Forecast, Ft Period 10 11 12 13 Week 6 69809 7 Sales 54 63 53 61 MAD U MAPE %
Transcribed Image Text:The following data are for calculator sales in units at an electronics store over the past nine weeks: Week 1 2 3 4 5 Obtain the error measures. (Enter your responses rounded to two decimal places.) CFE MSE Sales Find the coefficient of determination (²). The coefficient of determination r² = 0. (Enter your response rounded to two decimal places.) 44459 46 51 58 Use trend projection with regression to forecast sales for weeks 10-13. What are the error measures (CFE, MSE, 6, MAD, and MAPE) for this forecasting procedure? How about r²? Obtain the trend projection with regression forecast for weeks 10-13. (Enter your responses rounded to two decimal places.) Forecast, Ft Period 10 11 12 13 Week 6 69809 7 Sales 54 63 53 61 MAD U MAPE %
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