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ITIL :: View topic - Mean Time To Change
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Mean Time To Change

 
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gautambangalore
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Joined: Oct 26, 2009
Posts: 20

PostPosted: Thu Apr 12, 2012 11:33 pm    Post subject: Mean Time To Change Reply with quote

Hi,

What is Mean Time To Change and how is it calculated?
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Diarmid
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Joined: Mar 04, 2008
Posts: 1884
Location: Newcastle-under-Lyme

PostPosted: Fri Apr 13, 2012 5:27 am    Post subject: Reply with quote

Sorry. Cannot really understand the question. What is the context? Why do you think it would be a useful piece of information? - After all every change is different and there are many factors in determining when a change should take place that have nothing to do with efficiency or quickness or slowness (for example a particular change may only be feasible at a certain time of the year, or may be dependent on extraneous factors). I'm having difficlty seeing how it can be genuinely useful information, but perhaps you are really intending to measure time from request to approval to proceed or initiation of planning?

as for how to calculate it, that's simply applying the statistical method for the mean. If you are unclear on this you might get a more reliable answer from a text on statistics (try Wikipaedia, for example) or from a statistician, although I am quite certain that many people here will also know the answer, but less will be experts.
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