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You were promoted to the new regional manager for service at a car dealership and you 2012. Service department had poor morale and high turnover. The dealership has approximately 200 Honda dealerships. You earned the promotion by recommending a new "service guarantee" at the local dealership you were working for in the Pacific Northwest. A new chief executive officer has been hired and was reviewing the profitability of each of the dealerships in the company's portfolio. Your location stood out because the national average dealership has a customer loyalty retention rate of only 25% but you have a sample average of 58%. You created a 100% satisfaction on all service work at the dealership. You got the idea because a professor in your degree program encouraged you to develop a professional library and gave you a copy of two articles from his "Harvard Business Review Best of the Best Collection" entitled "Unconditional Service Guarantees" and "Customer Service Profit Chain". You read the articles and made significant changes to the service program and improved its quality thereby reducing "rework" on service work from 50% to less than 1%. This allowed you to offer the service guarantee. The new chief executive officer wants you to send an executive summary explaining the differences you have seen in customer retention and why your program works. He is planning to use your service program and implement it in all 200 stores but wants to know will it work successfully in all 200 stores? Retention Rates of Customers Year Customer Retention Rate 2012 -10 2013 40 2014 45 2015 50 2016 60 2017 80 2018 85 2019 90 2020 90

You were promoted to the new regional manager for service at a car dealership and you 2012. Service department had poor morale and high turnover. The dealership has approximately 200 Honda dealerships. You earned the promotion by recommending a new "service guarantee" at the local dealership you were working for in the Pacific Northwest. A new chief executive officer has been hired and was reviewing the profitability of each of the dealerships in the company's portfolio. Your location stood out because the national average dealership has a customer loyalty retention rate of only 25% but you have a sample average of 58%. You created a 100% satisfaction on all service work at the dealership. You got the idea because a professor in your degree program encouraged you to develop a professional library and gave you a copy of two articles from his "Harvard Business Review Best of the Best Collection" entitled "Unconditional Service Guarantees" and "Customer Service Profit Chain". You read the articles and made significant changes to the service program and improved its quality thereby reducing "rework" on service work from 50% to less than 1%. This allowed you to offer the service guarantee. The new chief executive officer wants you to send an executive summary explaining the differences you have seen in customer retention and why your program works. He is planning to use your service program and implement it in all 200 stores but wants to know will it work successfully in all 200 stores? Retention Rates of Customers Year Customer Retention Rate 2012 -10 2013 40 2014 45 2015 50 2016 60 2017 80 2018 85 2019 90 2020 90

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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Using p value method only, with significance level of 0.05 

What is H0? 

What is H1?

What is P value?

 

You were promoted to the new regional manager for service at a car dealership and you 2012. Service department had poor morale and high turnover. The dealership has approximately 200 Honda dealerships. You earned the promotion by recommending a new "service guarantee" at the local dealership you were working for in the Pacific Northwest. A new chief executive officer has been hired and was reviewing the profitability of each of the dealerships in the company's portfolio. Your location stood out because the national average dealership has a customer loyalty retention rate of only 25% but you have a sample average of 58%. You created a 100% satisfaction on all service work at the dealership. You got the idea because a professor in your degree program encouraged you to develop a professional library and gave you a copy of two articles from his "Harvard Business Review Best of the Best Collection" entitled "Unconditional Service Guarantees" and "Customer Service Profit Chain". You read the articles and made significant changes to the service program and improved its quality thereby reducing "rework" on service work from 50% to less than 1%. This allowed you to offer the service guarantee. The new chief executive officer wants you to send an executive summary explaining the differences you have seen in customer retention and why your program works. He is planning to use your service program and implement it in all 200 stores but wants to know will it work successfully in all 200 stores? Retention Rates of Customers Year Customer Retention Rate 2012 -10 2013 40 2014 45 2015 50 2016 60 2017 80 2018 85 2019 90 2020 90
Transcribed Image Text:You were promoted to the new regional manager for service at a car dealership and you 2012. Service department had poor morale and high turnover. The dealership has approximately 200 Honda dealerships. You earned the promotion by recommending a new "service guarantee" at the local dealership you were working for in the Pacific Northwest. A new chief executive officer has been hired and was reviewing the profitability of each of the dealerships in the company's portfolio. Your location stood out because the national average dealership has a customer loyalty retention rate of only 25% but you have a sample average of 58%. You created a 100% satisfaction on all service work at the dealership. You got the idea because a professor in your degree program encouraged you to develop a professional library and gave you a copy of two articles from his "Harvard Business Review Best of the Best Collection" entitled "Unconditional Service Guarantees" and "Customer Service Profit Chain". You read the articles and made significant changes to the service program and improved its quality thereby reducing "rework" on service work from 50% to less than 1%. This allowed you to offer the service guarantee. The new chief executive officer wants you to send an executive summary explaining the differences you have seen in customer retention and why your program works. He is planning to use your service program and implement it in all 200 stores but wants to know will it work successfully in all 200 stores? Retention Rates of Customers Year Customer Retention Rate 2012 -10 2013 40 2014 45 2015 50 2016 60 2017 80 2018 85 2019 90 2020 90
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