2021-06-27 20:39 In the process of data processing, there are often two or more different test results. When comparing and analyzing the data, the conclusion should not be made merely based on the difference between the two results, but on the statistical analysis and the test of significance of difference. Statistical significance tests are to make a hypothesis about the parameters of the population (random variables) or the distribution form of the population in advance, and then we use the sample information to judge whether this hypothesis (the null hypothesis) is reasonable, that is, to judge whether the true situation of the population is significantly different from the null hypothesis.
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