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student t distribution 学生t分布
If we wish to avoid the inaccuracies caused by the size of the sample, we need to use the T distribution. 为了避免因样本容量大小而造成的误差，我们必须使用T分布。
The 2 test and Student t test were used to compare dichotomous and continuous variables, respectively. 分别用卡方检验和T检验比较两分法变量与连续变量。
The 2 test and Student t test were used to compare dichotomous and continuous ariables, respectiely. 分别用卡方检验和T检验比较两分法变量与连续变量。
In general, the t distribution is flatter than the normal distribution, and there is a different t distribution for every possible sample size. 一般地说，t分布比正常分布更平坦一些，对于不同的样本容易都有一个不同的相应t分布。
Clustering of school violence means that the school violence doesn’t distribute averagely, but clusters within a certain schools. 校园暴力事件并不是平均地分布在各个学校，而是集中在一小部分学校和学生之中，即呈现“丛生”的状态。
The lazy student never do his homework on time. 这个懒惰的学生从没有按时做他的家庭作业。
He has very sternly admonished student. 他十分严厉地训诫了学生。
He is, so to speak, a hardworking student. 他可说是个用功的学生。
The student murmured the answer with a blush. 那个学生红着脸小声说出了答案。
I lived in a hostel while I was a student. 我求学期间住在青年招待所里。
My sister is always a studious student. 我妹妹一直是一个勤奋好学的学生。
He is of a the most outstanding student. 他是一名最优秀的学生。
Such a good student as he (is) will succeed. 像他这样的好学生一定会成功。
This student is slow in learning English. 这个学生学英语很笨。
She is an overseas student in Britain. 她是个在英国的外国留学生。
We fail one student per year on average. 我们平均每年有一个学生不及格。
The student's coverlet was dirty. 这个学生的床罩脏了。
No student is to leave the room. 学生不得离开这个房间。
Every student must get an insurance policy. 每个学生必须得到一张保险单。