作者muchbb (Daydream)
看板Grad-ProbAsk
标题[问题] 统计一题
时间Sat Apr 4 00:07:05 2009
two type of defects,A and B are seen in the output of a certain manufacturing
process. Each item can be classified ito one of the four classes AB. AB*,
A*B,A*B8,where A* denote the absence of the type A defect. For 100 inspected
items the followig frequencies were observed: AB:48,AB*:18,A*b:21,A*B:13.
At 5% sinificance level, test the hypothesis that the four categories, in
the order listed, occur in the ratio 5:2:2:1
请问这个要用什麽方法来做?
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◆ From: 123.110.242.11
1F:推 chadlun:无母数 04/04 00:18
2F:推 brian70545:适合度检定 卡方 04/04 10:06