给出了小样本、离散型、多总体和统计量检验法与数值计算方法。
This paper presents the hypothetical test method of sum test statistics on many totality in discrete distribution of few samples and the arithmetical method of the test.
捕获再捕获与捕获移出研究是数理统计的一个重要方向，它研究如何利用随机样本估计有限群体的总体数目。
The field of capture-recapture and removal is an important direction of mathematical statistics, which studies the estimation of the sizes of finite populations from incomplete random samples.
虽然pcna表达与食管癌放射治疗后局部控制率和总体生存率无显著相关，但由于病例数较少，须扩大样本量进一步研究。
Although no correlation between PCNA and local control or overall survival rate is found, further study is still needed because of the limited cases alloted.
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