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sample sizes中文什么意思

發(fā)音:   用"sample sizes"造句
  • 《英文msh詞典》Sample Sizes
  • [入口詞] Sample Sizes
  • [主題詞] Sample Size
  • [英文釋義] The number of units (persons,animals,patients,specified circumstances,etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true difference between two groups. (From Wassertheil-Smoller,Biostatistics and Epidemiology,1990,p95)
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例句與用法

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  1. the sample size would have to be quadrupled .
    樣本量必須增大三倍。
  2. sampling techniques and sample size requirements vary with the techniques used .
    取樣方法和取樣多少的要求因所采用的測試方法而異。
  3. if, however, the sample sizes are large enough, we do not need the assumption of normality .
    如果樣本容量充分大，就不必做正態(tài)假設。
  4. a sample size needs to be established when this method of mass flow measurement is used .
    在使用這種質量流量測量方法時，需要測定試樣的大小。
  5. in general, the t distribution is flatter than the normal distribution, and there is a different t distribution for every possible sample size .
    一般地說，t分布比正常分布更平坦一些，對于不同的樣本容易都有一個不同的相應t分布。

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其他語言

        sample sizes meaning：[Medicine] The number of units (persons,animals,patients,specified circumstances,etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true...

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