yunqingwang 发表于 2011-9-19 20:09 
就是看这十个数是否服从均值为10的分布啊,构造t统计量不就可以啦
TTEST does exactly the same thing. If you want to calculate everything by hand, one calculator can help you, but not the sofeware like SAS, R or matlab. They are not just calculators but rather statitical tools