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<blockquote data-quote="TechGrrl" data-source="post: 818695" data-attributes="member: 4932"><p>Time studies are a statistical analysis of something that is variable on a daily basis. IF the time study was done on a route that doesn't really change much from day to day, the allowances would be 95% accurate. Even IF the exact same stops occurred day after day, there are still going to be variances due to traffic and other things. (receptionist not at desk, more COD's than usual, forklift not available at bulk stop, etc.) IE used to be pretty clear on the concept of "the time study is 95% accurate 95% of the time", which means +/- 15 minutes on an 8 hour day.</p><p></p><p>Unfortunately, it is apparent that all that real, statistical process control stuff seems to have evaporated in today's world. And I have no clue how accurate a "virtual time study" can be. I DO KNOW that a real, knowledgeable human being observing the driver and the reality of the driver's day makes a huge difference in accuracy. Too bad that seems to have been thrown under the bus.....</p></blockquote><p></p>
[QUOTE="TechGrrl, post: 818695, member: 4932"] Time studies are a statistical analysis of something that is variable on a daily basis. IF the time study was done on a route that doesn't really change much from day to day, the allowances would be 95% accurate. Even IF the exact same stops occurred day after day, there are still going to be variances due to traffic and other things. (receptionist not at desk, more COD's than usual, forklift not available at bulk stop, etc.) IE used to be pretty clear on the concept of "the time study is 95% accurate 95% of the time", which means +/- 15 minutes on an 8 hour day. Unfortunately, it is apparent that all that real, statistical process control stuff seems to have evaporated in today's world. And I have no clue how accurate a "virtual time study" can be. I DO KNOW that a real, knowledgeable human being observing the driver and the reality of the driver's day makes a huge difference in accuracy. Too bad that seems to have been thrown under the bus..... [/QUOTE]
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