单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,高二（文）数学,主讲教师：罗靓,数据的数字特征,课题引入,探求新知,探求新知,职务,董事长,副董事长,董事,总经理,经理,管理员,职员,人数,1,2,2,3,6,7,20,工资,5500,5000,3500,3000,2500,2000,1500,某公司的,41,名职工的月工资（单位：元）,如下：,探求新知,探求新知,探求新知,探求新知,探求新知,探求新知,甲,40.0,39.8,40.1,40.2,39.9,40.0,40.2,39.8,40.2,39.8,乙,40.0,40.0,39.9,40.0,39.9,40.1,40.1,40.1,40.0,39.9,探求新知,探求新知,探求新知,探求新知,探求新知,探求新知,探求新知,探求新知,探求新知,知识应用,知识应用,知识应用,课堂练习,课堂小结,分层作业,