对同一维度的数据分析数据分布范围及分布趋势,要通过制作直方图和正态分布曲线图体现. 例如:已知所有员工的日收入,分析员工收入分布情况(51.7,50.6,57.9,56.9,56.7,56.7,55.3,56.1,53.7,54.5,56.9,51.9,52.1,55.1,54.9,54.7,55.3,55.3,54.5,54.9,54.5,55.3,54.9,54.3,53.7,53.5,53.7,53.1,54.5,53.1,53.9,53.5,53.3,53.9,53.5,53.5,52.