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- Q: Would different sample size for different questions affect the sampling error? 问:个别题目的样本数目会否影响抽样误差?
- different sample size 样本数目差异
- The sample size would have to be quadrupled. 样本量必须增大三倍。
- The ratio of sample size to population size. 抽样规模与人口规模的比率。
- Comparison variations of trials sample size. 比较取样数量多寡之变化。
- 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。
- Based on a series of variation of fabric sample size under 8 kinds of different diameter of pallet, the drape coefficients are measured. 对八种不同托盘直径及一系列试样直径进行悬垂系数测定.
- Figure 1, Final Inspection Sample Size and AQL Level. 指示末期检查数量和标准。
- "Is 100% AOI performed on outlayer? If No, what's the sample size? 外层是否100%25进行AOI?若没有,抽样频率是多少?"
- Mix tracks with different sample rates or formats, and Audacity will convert them automatically in realtime. 在混合不同采样率或格式的音轨时,Audacity将自动实时地进行转换。
- Section VII examines the tunneling and investment efficiency of different sample companies. 第七章分析不同样本公司中的隧道挖掘和无效益投资。
- Sinus elevation with CERASORB left , biopsy at ten month, sample size 1x5 mm. 这个案例使用十个月后,已经没有CERASOR残留。新生的骨质显示出高度致密且为生长成熟的骨头。
- It was proposed that oversampling is necessary by analyzing the influence of different sample frequency on the decomposition of sine wave. 对单频正弦信号的分析结果表明,应用局域波分解对信号进行分析时,要对信号进行过采样。
- The t test with different samples was adopted for comparison between groups. 采用不同样本t检验进行组间比较。
- Sampling techniques and sample size requirements vary with the techniques used. 取样方法和取样多少的要求因所采用的测试方法而异。
- The compared results of different sample methods showed that the m eans of the parallel lines was the best one and the theoretical sample number wa s also determined. 不同抽样方法的比较结果,以平行线法效果最好,并确定了理论抽样数。
- Objective:To compared different sample of Gastrodia elata in pharmacologic effect,study main pharmacologic effect of "White stem" and gave the basis for using. 目的:对天麻不同生长时期样品的药理作用进行比较,探讨白麻的主要药理作用,为白麻的开发利用提供依据。
- The decision on sample size involves three issues: Financial, Statistical, and Managerial Issues. 决定样本量的大小取决于三个问题:财力、统计和管理能力。
- A sample size needs to be established when this method of mass flow measurement is used. 在使用这种质量流量测量方法时,需要测定试样的大
- Reading and writing are different skills. 阅读与写作是不同的技能。