問題內容：http://b54.in/98ml
勞煩各位知識友解答 (*_*)
maths 問題
2014-03-24 3:19 am
回答 (2)
2014-03-24 6:47 am
✔ 最佳答案
1.a) Highway users
b) Stratified random sampling (because average daily traffic is needed, a strata of different time period should be considered)
2
a) All the tress in Hong Kong
b) Simple random sampling
2014-03-24 5:22 am
Q1 上次解答了
Q2
(a) All the trees in Hong Kong.
(b) The randomly selected 50 trees at Hong Kong Park.
Q2
(a) All the trees in Hong Kong.
(b) The randomly selected 50 trees at Hong Kong Park.
收錄日期: 2021-04-13 20:19:12
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140323000051KK00169