高中数学第二章统计2.2用样本估计总体2.2.2用样本的数字特征估计总体的数字特征.pptx

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,*,*,*,第二章统 计,1/39,2/39,3/39,4/39,5/39,6/39,7/39,8/39,9/39,10/39,11/39,12/39,13/39,14/39,老板,大厨,二厨,采购员,杂工,服务生,会计,3 000,元,450,元,350,元,400,元,320,元,320,元,410,元,15/39,16/39,17/39,18/39,人员,经理,管理,人员,高级,技工,工人,学徒,累计,月工,资,/,元,22 000,2 500,2 200,2 000,1 000,29 700,人数,1,6,5,10,1,23,累计,22 000,15 000,11 000,20 000,1 000,69 000,19/39,20/39,21/39,22/39,23/39,24/39,25/39,26/39,27/39,28/39,29/39,30/39,31/39,32/39,33/39,34/39,35/39,36/39,37/39,38/39,39/39,