统计学-基于R第3版习题答案(第一章)

第 1章 数据与 R习题1.11. 存为 R 数据> zhibiao<-c(" 低收入户 "," 中等偏下户 "," 中等收入户 "," 中等偏上户 "," 高收入户 ")> y2008<-c(150