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关注：1
2013-05-23 12:21
求翻译：（3）理解未知参数区间估计的概念，掌握求单个正态总体均值和方差的置信区间，两个正态总体均值差和方差比的置信区间的方法。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
（3）理解未知参数区间估计的概念，掌握求单个正态总体均值和方差的置信区间，两个正态总体均值差和方差比的置信区间的方法。
问题补充： |
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2013-05-23 12:21:38
(3) understanding of the concept of unknown parameters interval estimation master seeking a single normal population mean and variance of the confidence interval, the two normal population mean deviation and variance ratio confidence intervals.
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2013-05-23 12:23:18
(3) Understanding the unknown parameter interval estimation, and control concepts for a single State overall mean value and the variance of the confidence interval, two normal overall are value difference and variance than the confidence interval.
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2013-05-23 12:24:58
(3) understanding unknown parameter sector estimate concept, grasping asks the single normal population average value and the variance confidence interval, two normal population average value difference and variance ratio confidence interval method.
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2013-05-23 12:26:38
(3) understand the concept of interval estimation of the unknown parameters, master seeking a single normal confidence interval of the population mean and variance, two normal population mean deviation and confidence interval for a variance ratio method.
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2013-05-23 12:28:18
正在翻译，请等待...
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