2020-09-29 17:24 In mathematical statistics, 5% probability (P) is generally used as a significant evaluation standard. If the probability of difference caused by accidental factors is more than 5 times in 100 trials, the difference between two results is considered to be insignificant. But if the difference is within 5% probability, then we consider the difference is significant. Sometimes we think 5% is too high, so we take 1% as a criterion of significance.
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