kurtosis of frequency curve

例句：

1. 1.The kurtosis of the frequencycurve is a measure of how peakedor flat the distribution is.
   频率曲线的峰度是衡量分布是否尖锐或平坦的一个指标。
2. 2. Kurtosis measures thedegree to which the data follows a normaldistribution, with higher values indicating more extremeoutliers.
   峰度衡量数据是否遵循正态分布的程度，数值越高表示极端异常值越多。
3. 3. In statistics, thekurtosis of a distributionis used to describe its shape and howit deviates from a perfect normaldistribution.
   在统计学中，分布的峰度用于描述其形状以及它与完美正态分布的差异程度。