求用R语言解决下面的统计问题

data ：  http://pan.baidu.com/s/1gdeXoYn

please check the attachment for the full answer.PDF and word are the same. This really takes me some time.
and I need your coins for purchasing other materials!!! Thx

本人英文水平较差 静待高人解答吧

Looks pretty straightforward. No data? Or you just want to know which R commands should be used?

By the way, is homework supposed to be done WITHOUT outside help?

leiyan715 发表于 2015-5-15 17:32
Looks pretty straightforward. No data? Or you just want to know which R commands should be used?

...

It is just a practice of R. But I don\'t learn anything about this before . But I drop in on a single course that needs  a foundation of R. Besides, the deadline is coming. So I ask for a help.

用sas行吗？

不是吧258123 发表于 2015-5-18 11:26
用sas行吗？

要求是用R....

....I wrote sth else, pls igore this comment

zhongjun04 发表于 2015-5-12 22:19
please check the attachment for the full answer.PDF and word are the same. This really takes me some ...

Thank you! If you still want to get more coins , I can give you some for free