室內質控圖失控限為±3s,根據統(tǒng)計學原理分析,約有以下哪些的質控數(shù)據在此范圍外()
A.0.3% B.1% C.3% D.4.5% E.31.7%
室內質控圖警告限為±2s,根據統(tǒng)計學原理分析,約有以下哪些的質控數(shù)據在此范圍內()
A.99.97% B.99.70% C.95.45% D.90.50% E.68.27%
A.±s B.±2s C.±2.5s D.±3s E.±6s