|
- UID
- 223312
- 帖子
- 229
- 主题
- 100
- 注册时间
- 2011-7-11
- 最后登录
- 2013-10-12
|
sample mean vs population mean
| I somehow associated using n1 with computing the statistic for sample. Apparently is not the case with finding sample mean. If so, what is the difference between formulae for “sample mean” and “population mean”? |
|
发表于 2013-4-7 09:56
|