The kurtosis and skewness values for the grading indicators of A, B, C, and Class D delayed trains show an increasing trend, with Class A trains demonstrating negative kurtosis and skewness values, indicating non-normal distribution.
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The kurtosis and skewness values for the grading indicators of A, B, C, and Class D delayed trains show an increasing trend, with Class A trains demonstrating negative kurtosis and skewness values, indicating non-normal distribution.