deviation standard

简明释义

偏差标准

英英释义

A statistical measure that quantifies the amount of variation or dispersion in a set of values, indicating how much individual data points differ from the mean.

一种统计度量,用于量化一组数值的变化或分散程度,表示单个数据点与均值之间的差异程度。

例句

1.The quality control team uses the deviation standard 偏差标准 to ensure that all products meet the specified criteria.

质量控制团队使用偏差标准 deviation standard来确保所有产品符合规定的标准。

2.Our financial report includes a section on the deviation standard 偏差标准 of our revenue projections.

我们的财务报告包括关于收入预测的偏差标准 deviation standard部分。

3.The deviation standard 偏差标准 is used to identify outliers in the dataset.

在数据集中,偏差标准 deviation standard用于识别异常值。

4.In data analysis, calculating the deviation standard 偏差标准 helps in understanding the variability of the dataset.

在数据分析中,计算偏差标准 deviation standard有助于理解数据集的变异性。

5.The deviation standard 偏差标准 is crucial for assessing the reliability of experimental results.

对于评估实验结果的可靠性,偏差标准 deviation standard是至关重要的。

作文

In the field of statistics and data analysis, understanding the concept of deviation standard is crucial for interpreting data accurately. The deviation standard (标准差) is a measure that quantifies the amount of variation or dispersion in a set of values. When we analyze data, whether it be in scientific research, business metrics, or everyday life, knowing how much the data deviates from the average can provide significant insights. For instance, consider a classroom where students have taken a mathematics test. If all students scored around the same mark, the deviation standard would be low, indicating that the scores are closely clustered around the mean. This could suggest that the teaching methods were effective, and all students understood the material well. On the other hand, if the scores varied widely, the deviation standard would be high, indicating significant differences in student performance. This might prompt educators to investigate further into why some students excelled while others struggled, leading to potential improvements in teaching strategies.Furthermore, the deviation standard is not only applicable in educational settings but also in various fields such as finance, healthcare, and engineering. In finance, for example, investors often use the deviation standard to assess the risk associated with an investment. A higher deviation standard indicates greater volatility in stock prices, which could mean higher potential returns but also greater risk. Investors must weigh these factors carefully when making decisions about their portfolios.In healthcare, researchers may analyze the deviation standard when studying the effects of a new drug. If the deviation standard of patient outcomes is low, it suggests that the drug has a consistent effect across different individuals. Conversely, a high deviation standard could indicate that the drug works well for some patients but not for others, prompting further investigation into genetic or environmental factors that may influence its effectiveness.In conclusion, the deviation standard is a fundamental statistical tool that helps us understand the variability within data sets. Its applications span across multiple disciplines, providing valuable insights that can lead to informed decision-making. By grasping the concept of deviation standard, individuals and organizations can better navigate the complexities of data analysis and enhance their understanding of the world around them.

在统计学和数据分析领域,理解标准差的概念对于准确解读数据至关重要。标准差是一个量化一组值中变异或离散程度的指标。当我们分析数据时,无论是在科学研究、商业指标还是日常生活中,了解数据与平均值的偏离程度可以提供重要的见解。例如,考虑一个教室,学生们参加了一次数学测试。如果所有学生的分数都集中在相同的范围内,标准差将会很低,这表明分数紧密围绕平均值聚集。这可能表明教学方法有效,所有学生都很好地理解了材料。另一方面,如果分数差异很大,标准差将会很高,表示学生表现之间存在显著差异。这可能促使教育工作者进一步调查为什么一些学生表现出色而其他学生却挣扎,从而导致潜在的教学策略改进。此外,标准差不仅适用于教育领域,还应用于金融、医疗保健和工程等多个领域。例如,在金融领域,投资者通常使用标准差来评估投资相关的风险。较高的标准差表示股票价格波动性更大,这可能意味着更高的潜在回报,但也伴随着更大的风险。投资者在做出投资组合决策时必须仔细权衡这些因素。在医疗保健中,研究人员在研究新药的效果时可能会分析标准差。如果患者结果的标准差较低,这表明该药物对不同个体的效果一致。相反,高标准差可能表明该药物对某些患者有效,而对其他患者无效,促使进一步调查可能影响其有效性的遗传或环境因素。总之,标准差是一个基本的统计工具,帮助我们理解数据集中的变异性。它的应用跨越多个学科,提供有价值的见解,可以导致明智的决策。通过掌握标准差的概念,个人和组织可以更好地应对数据分析的复杂性,并增强对周围世界的理解。

相关单词

deviation

deviation详解:怎么读、什么意思、用法