UEC Senior 2 · 数学 (Mathematics)
统计 (Statistics)
统测高二统计单元不仅要求精确计算平均值与标准差，更考验你对于统计图表数据解读的敏锐度。许多同学容易在变异数的运算公式上混淆，建议务必多练习历届试题来建立解题手感。
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