区间估计
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| 区间估计 [2023/03/21 11:51] – yunyuqu | 区间估计 [2024/03/31 08:58] (当前版本) – zwz | ||
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| ====区间估计==== | ====区间估计==== | ||
| + | ====interval estimates==== | ||
| * **方法产生的原因**：相比点估计，需要有更大的机会使估计准确 | * **方法产生的原因**：相比点估计，需要有更大的机会使估计准确 | ||
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| - | * **置信区间的一般公式**：__点估计 ± (临界值)(标准误)__ | + | * **置信区间的一般公式**：点估计 ± (临界值)(标准误) |
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| + | ---- | ||
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| + | * **Causes of the methodology**：There needs to be a greater chance that the estimate would be more accurate than a point estimate. | ||
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| + | ---- | ||
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| + | * **The definition of interval estimates**：An estimate that specifies __an interval__ and __the probability of the overall unknown parameter__ covered by this interval【The corresponding probability is called __confidence level__ 1-α】。 | ||
| + | * **The relationship between confidence level and confidence intervals**： | ||
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| + | ---- | ||
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| + | * **The general formula for confidence intervals**：point estimate ± (critical value)(standard error) | ||
区间估计.1679399517.txt.gz · 最后更改: 2023/03/21 11:51 由 yunyuqu