References
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- Lee , Chiang-Sheng , Vardeman and Stephen , B. 2001 . Interval estimation of a normal process mean from rounded data . Journal of Quality Technology , 33 : 335 – 348 .
- Lee , Chiang-Sheng , Vardeman and Stephen , B. 2002 . Interval estimation of a normal process standard deviation from rounded data . Communications in Statistics , 31 : 13 – 34 .