http://i987.photobucket.com/albums/ae355/delaynopemore/1-3_zps49ad9ca6.jpg
please show some steps..
I just able to calculate the variance of x and y respectively
var(x) = 3728.24
var(y) = 8435.56
Hope I didn't get them wrong too....
please help again and thanks in advance
statistics_covariance..help pl
2013-03-06 7:12 am
回答 (1)
2013-03-07 4:56 am
✔ 最佳答案
---------------------------------------------------------------------------------------------------圖片參考：http://i1090.photobucket.com/albums/i376/Nelson_Yu/int_zps1a57129d.jpg
收錄日期: 2021-04-23 23:27:26
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130305000051KK00447