蚊子
发表于 2025-3-28 14:57:12
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流逝
发表于 2025-3-28 20:26:14
Statistics and Probability,espect to data, the mean is linked with the idea of sampling and statistical inference. As familiar as the mean may be to most of us, its sequential properties may not be so well known. Thus, for ordered observations, whether these be based on time, space, or experimental design, the mean of n such