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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Precis Eng. 2016 Apr 2;46:88–95. doi: 10.1016/j.precisioneng.2016.04.003

Fig. 5.

Fig. 5

(a) Results of repeated outer diameter measurements on twenty-seven pipettes. (b) With 95% confidence, the first and second measurements differed by less than 0.38 µm. (c) The distribution of the difference between repeated measurements appeared normal.