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Explanations of Comprehensive and Transparent Case Study_4

Tham khảo tài liệu 'explanations of comprehensive and transparent case study_4', kinh doanh - tiếp thị, quản trị kinh doanh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 94 o Implementing Lean Six Sigma Throughout the Supply Chain Operational De onitions DeBing the Measure Departure Deviation MeanÁ calculated average of departure time deviations from ETL target in minutes. Negative is early and positive is late. Quantitative continuous measure and ratio data. Purpose To document the deviation from the target estimated time of departure abbreviated as ETL. Clearway to measure the process The data source is the Trailer Plan Log which when queried will produce the deviation between ETL and departure time averaged by day. The data query will span 12 months prior to query. Operational De onitions DeBing the Measure responded by guestionPercentage of the number of positive responses relative to survey question by total responses. Quantitative continuous measure and ratio data. Purpose To convert survey data into quantitative data relative to each questions subject. Clearway to measure the process The survey questions will be presented to the stakeholder groups percent responded will be calculated overall and broken down by rating group. Figure 5.19 continued . Measure Phase o 95 Operational De onitions DeBing the Measure Live Unload process time otal time to unload a trailer at a store. Quantitative continuous measure and ratio data. Purpose To establish a target time for unloading. Clearway to measure the process Three fully loaded trailers will be delivered to 10 stores where the trailers will be unloaded 3 different times. A stop watch will start when the door is opened by the driver and will stop when the trailer has been emptied. The data will be used to set a target time for Live Unload and can be used for a repeatability and reproducibility study. Operational De onitions DeBing the Measure Zero-inventory items perstoreA daily total of merchandise that is at a zero quantity divided by the total number of stores. Quantitative continuous measure and ratio data. Purpose To document missed potential sales due to no product on the shelf