[商管] [統計]-台大-統計D

看板Grad-ProbAsk作者 (嘎)時間16年前 (2010/02/25 21:50), 編輯推噓0(000)
留言0則, 0人參與, 最新討論串1/2 (看更多)
1. _ Let x be the sample mean of a random sample of size 16 from N(2,4), and _ let y be the sample mean of another random sample of size 4 from the same parent population _ _ Q. Find the probability P(x - y > 0 ) 2. An anumal ecologist suggests three methods to prevent squirrels from damaging Cryptomeria plantations. To determine the effectiveness of the three methods, a small experiment was conducted with 9 replications for each treatment(method). Mean square error(MSE) of the experiment is 60. Please 1) state an appropriate model and its assumptions 2) construct a complete ANOVA table based on the given information and state your conclusions. Let the a = 0.05 .         ────────         Method         _______________          I II III Treatment Total 243 324 189 -- 救命... -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 59.105.105.26 ※ 編輯: ONIspirit 來自: 59.105.105.26 (02/25 22:27)
文章代碼(AID): #1BXe0VKv (Grad-ProbAsk)
文章代碼(AID): #1BXe0VKv (Grad-ProbAsk)