A normal distribution of our data was shown using the normality test and distribution curve.
结果正态性检验和频率分布曲线分析显示，所获数据符合或基本符合正态分布。
According to empirical test, China's stock market shows the characteristics of non-normality and fat tail as well as makes the loss value of the price difference loss as metrics.
根据实证检验得出我国股票市场非正态性和尖峰厚尾的特点，选择价差损失值这一度量指标。
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