![]() ![]() We could go ahead and summarise what the statsitics would show for Nathaniels measurement alone and if this was acceptable we could look at why Michelles are detectibly different and fix the process. On the other hand, Nathaniel's measurements are reasonably consistent and therefore there is no reason why anybody else following a similar procedure/technique cannot achieve the same. Sure enough, the range chart as shown by Miner above reveals a difference between the two operators, it also reveals that Michelle's measurements are not consistent therefore any data used from these measurements to summarise any statistics are based on a weak foundation. The purpose of analysis is insight so lets explore your data set a bit more. ![]() Source StdDev (SD) (6 * SD) (%SV) (SV/Toler) ![]()
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