Discussion on treatment of random error

ZHANG Zhi-ming

doi:10.16854/j.cnki.1000-0712.220204

College Physics >

2022 , Vol. 41 >Issue 11: 39

DOI: https://doi.org/10.16854/j.cnki.1000-0712.220204

Discussion on treatment of random error

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1. Center of Physics Experiments, Guangdong Technology College, Zhaoqing, Guangdong 526100, China;
2. Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials,South China Normal University, Guangzhou, Gungdong 510006, China

Received date: 2022-04-17

Revised date: 2022-05-20

Online published: 2023-01-06

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Abstract

Some concepts (including the variance and the standard deviation) about random error in textbooks on physics experiments are discussed. Some related equations (including Bessel equation and the equation for standard deviation of arithmetic mean value) are proved, and some non-self-consistent descriptions for normal distribution are corrected.

Key words： college physics experiment; random error treatment; error distribution function; discrete variable; continuous variable

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ZHANG Zhi-ming . Discussion on treatment of random error[J]. College Physics, 2022 , 41(11) : 39 . DOI: 10.16854/j.cnki.1000-0712.220204

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