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Sep 3, 2014 at 21:08 comment added Joel W. To compare your mean to the published mean, a z test would seem to make sense, since the population mean and SD are known, if the distribution is normal or near normal.
Sep 3, 2014 at 19:59 comment added Terenz sorry, it is a my complication and it could be meaningless. Probably it's better call it "reference value" instead of "legislated values" as in the main question. So, I'll rephrase my complication: How could I compare my sperimental value with a "reference value" expressed with mean value and SD ? the ref.value could be obtained from handbook, journal articles, etc.
Sep 3, 2014 at 0:05 comment added Joel W. Is the intent of the legislation to describe a minimum, maximum, or what?
Sep 2, 2014 at 23:34 comment added Terenz Could I add a Complexity ? What could I do if the legislated values are expressed with mean value and SD ?
Sep 1, 2014 at 15:43 comment added Joel W. If the legislation calls for the value to be within the range, then 2 one-sided tests would make sense.
Sep 1, 2014 at 15:09 comment added Terenz thanks. So two "one-side" analysis for both sides of the range.
Sep 1, 2014 at 15:06 vote accept Terenz
Sep 1, 2014 at 13:30 history answered Joel W. CC BY-SA 3.0