confidence coefficent

简明释义

置信系数

英英释义

A confidence coefficient is a measure that indicates the degree of certainty associated with a statistical estimate, often expressed as a percentage, representing the likelihood that the true parameter lies within a specified interval.

置信系数是一个度量,表示与统计估计相关的确定性程度,通常以百分比形式表示,代表真实参数在指定区间内的可能性。

例句

1.The study found that the confidence coefficient 置信系数 of the sample was above 95%.

研究发现样本的confidence coefficient 置信系数超过95%。

2.Researchers often report the confidence coefficient 置信系数 alongside their findings.

研究人员通常会在他们的发现中报告confidence coefficient 置信系数

3.To ensure accuracy, we need to calculate the confidence coefficient 置信系数 for our data analysis.

为了确保准确性,我们需要计算我们的数据分析的confidence coefficient 置信系数

4.A higher confidence coefficient 置信系数 indicates more reliable results in statistical testing.

更高的confidence coefficient 置信系数表示统计测试结果更可靠。

5.In this experiment, the confidence coefficient 置信系数 was calculated to be 0.85.

在这个实验中,confidence coefficient 置信系数被计算为0.85。

作文

In the field of statistics and research, the concept of confidence coefficient plays a crucial role in interpreting data and making informed decisions. The confidence coefficient is a statistical measure that quantifies the degree of certainty about a particular estimate or prediction. It essentially tells us how confident we can be that our results are accurate within a specified range. For instance, if a survey reports a 95% confidence coefficient, it means there is a 95% chance that the true value lies within the confidence interval calculated from the sample data.Understanding the confidence coefficient is vital for researchers and analysts who rely on data to draw conclusions. It helps them assess the reliability of their findings and communicate the level of uncertainty associated with their estimates. When conducting experiments or surveys, researchers often use the confidence coefficient to determine how much confidence they can place in the results. A higher confidence coefficient indicates greater reliability, while a lower one suggests more uncertainty.For example, consider a pharmaceutical company that conducts a clinical trial to test the effectiveness of a new drug. After analyzing the data, they find that the drug has a 70% success rate with a 90% confidence coefficient. This implies that they can be 90% confident that the true success rate of the drug falls within a certain range, which is crucial information for regulatory approval and marketing decisions.Moreover, the confidence coefficient is not only relevant in scientific research but also in various fields such as finance, economics, and social sciences. In finance, investors use the confidence coefficient to evaluate the risk associated with their investments. A high confidence coefficient in a financial model indicates that the predictions made by the model are likely to be accurate, thus guiding investment strategies.In the realm of social sciences, researchers often deal with human behavior, which can be unpredictable. Therefore, understanding the confidence coefficient allows them to quantify the uncertainty in their findings. For instance, when conducting a public opinion poll, knowing the confidence coefficient helps gauge how representative the sample is of the larger population.In conclusion, the confidence coefficient is an essential tool in statistics that aids in evaluating the reliability of estimates and predictions across various domains. By providing a measure of certainty, it empowers researchers, analysts, and decision-makers to make informed choices based on data. As we navigate an increasingly data-driven world, mastering the concept of the confidence coefficient will undoubtedly enhance our ability to interpret information accurately and responsibly.

在统计学和研究领域,置信系数的概念在解释数据和做出明智决策方面发挥着至关重要的作用。置信系数是一种统计度量,它量化了对特定估计或预测的确定性程度。它基本上告诉我们,在指定范围内,我们对结果的准确性有多大的信心。例如,如果一项调查报告的置信系数为95%,这意味着有95%的概率真实值落在从样本数据计算出的置信区间内。理解置信系数对于依赖数据得出结论的研究人员和分析师至关重要。它帮助他们评估发现的可靠性,并传达与估计相关的不确定性水平。在进行实验或调查时,研究人员通常使用置信系数来确定他们对结果的信心程度。较高的置信系数表示更大的可靠性,而较低的则表明更多的不确定性。例如,考虑一家制药公司进行临床试验以测试新药的有效性。在分析数据后,他们发现该药物的成功率为70%,且置信系数为90%。这意味着他们可以90%地确信该药物的真实成功率落在某个范围内,这对于监管审批和市场营销决策至关重要。此外,置信系数不仅在科学研究中相关,也在金融、经济和社会科学等多个领域中发挥作用。在金融领域,投资者使用置信系数来评估投资相关的风险。金融模型中的高置信系数表明模型所做的预测可能是准确的,从而指导投资策略。在社会科学领域,研究人员通常处理人类行为,这可能是不可预测的。因此,了解置信系数使他们能够量化发现中的不确定性。例如,在进行公众舆论调查时,了解置信系数有助于判断样本在多大程度上代表更大的人群。总之,置信系数是统计学中的一个重要工具,帮助评估各个领域估计和预测的可靠性。通过提供确定性的度量,它使研究人员、分析师和决策者能够根据数据做出明智的选择。在我们日益数据驱动的世界中,掌握置信系数的概念无疑将增强我们准确和负责任地解读信息的能力。