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单板计算机用于过程控制或仪器仪表,进行实时数据处理时,有时在采集输入一组随机数据后,需要立即知道测量结果,然后再作进一步的处理。此时可利用本文提供的程序快速计算出样本平均值及其标准偏差。一、有关理论简述在生产与科学实验中,人们常遇到随机变量的测量问题,当对某个物理量的测量次数足够时,这些测量值的误差分布将符合统
Single-board computer for process control or instrumentation, real-time data processing, sometimes after the input of a random set of data input, you need to immediately know the measurement results, and then further processing. At this point, the program provided in this article can be used to quickly calculate the sample mean and its standard deviation. First, the theory outlined In production and scientific experiments, people often encounter the measurement of random variables, when a physical measurement of the number of times sufficient, the error of these measurements will be in line with the distribution