In particular, we focus discussion on joint confidence sets of the parameter mean and variance when a rounded sample comes from the normal distribution with both parameters unknown.
特别地，本文集中讨论当数据是来自参数未知的正态分布四舍五入后的数据，均值和方差的联合置信集。
METHODS Construct proper accumulation normal distribution function form and fit with our experimental data, then compare with the common 4-parameter equation fitting.
方法构建累积正态分布函数的适当表达形式，对实验所得数据进行拟合，同时与常用的四参数方程拟合进行比较。
METHODS: Construct proper accumulation normal distribution function form and fit with our experimental data, then compare with the common 4-parameter equation fitting.
方法： 构建累积正态分布函数的适当表达形式，对作者实验室所获得的实例数据进行拟合，同时与常用的四参数方程拟合进行比较。
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