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Quartile
01
四分位, 四分位数
a statistical measure that divides a dataset into four equal parts, representing points that indicate the distribution of the data
Example
The first quartile, Q1, marks the 25th percentile of a dataset, indicating the value below which 25 % of the data falls.
第一四分位数Q1标志着数据集中第25百分位数，表示25%的数据低于此值。
Q2, the second quartile, corresponds to the median, dividing the dataset into two equal halves.
Q2，即第二四分位数，对应于中位数，将数据集分成两个相等的部分。
