栏目导引,探究案,讲练互动,应用案,巩固提升,预习案,自主学习,第一章 统计,第一章 统计,1/44,2/44,3/44,等距抽样,简单随机抽样,分组间隔,4/44,编号,5/44,简单随机抽样,加上,k,加,k,6/44,7/44,8/44,9/44,10/44,11/44,12/44,13/44,14/44,15/44,16/44,17/44,18/44,19/44,20/44,21/44,22/44,23/44,24/44,25/44,26/44,27/44,28/44,29/44,30/44,31/44,32/44,33/44,34/44,35/44,36/44,37/44,38/44,39/44,40/44,41/44,42/44,43/44,44/44,