作者oppo2121 (随风)
看板Grad-ProbAsk
标题Re: [问题] 97高科大一题
时间Sat Apr 11 04:46:10 2009
※ 引述《AngeloLu (Angelo)》之铭言：
: A verternarian wishes to estimate the mean blood sugar lever of dogs injected with a
: Specified dosage of adrenaline .A sample of 55 dog is injected ,and their blood
: Sugar measurements are recorded in units of milligrams per 100 milliliter of. The
: Mean and standard deviation of these measurement are found to be 126.9 and 10.5 ,
: a. Give a point estimate of the population mean ? and a 95.4% error margin?
: 不知道怎麽下笔 and a 95.4% error margin?是要求甚摸??
: 麻烦一下~
95.4% error margin 好像是指误差长度
也就是说要你找出95.4%误差点估计之范围
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