In this paper, the normaldistribution method is improved as it presents directly the sampling plan by adding calculation before test and completely removing after - test calculation.
文中改进了测试性验证中的正态分布法,通过添加试验前计算,完全消除试验后计算,直接给出抽样方案。
2
Under population follow normaldistribution hypothesis, designing combine median-range adaptive control charts with variable sampling interval, variable sample size and variable control limit .