By authoring different types of tests, you can achieve a wider range of coverage and confidence; moreover, by running these tests continually, you can spot issues almost as fast as they are created.

通过授权执行不同类型的测试，可获得更大范围的覆盖和信任。此外，通过持续运行这些测试，几乎能在问题产生就发现它们。

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It generally has a confidence in the range of 85% to 99%.

它的置信度通常介于85%到99%。

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Confidence interval (CI) cannot only determine the possible range of unknown parameters, but also answers the hypothesis testing.

可信区间(CI)不仅用于确定未知参数值的可能范围，而且可用于回答假设检验的问题。

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The unemployment rate is derived from a separate survey of households, which has an even smaller sample size and thus a wider confidence range.

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Instead, OECD calculates, with 95% confidence, a range of ranks that the country falls within.

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Remember that 90 to 120 is the neutral range for Consumer Confidence.

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