life table formula

简明释义

生命表公式

英英释义

例句

1.Understanding the life table formula is essential for demographers studying population trends.

理解生命表公式对研究人口趋势的人口统计学家至关重要。

2.The life table formula helps in estimating life expectancy based on age-specific mortality rates.

根据特定年龄的死亡率，生命表公式有助于估算预期寿命。

3.The actuary used the life table formula to calculate the insurance premiums for the new policyholders.

精算师使用生命表公式来计算新投保人的保险费。

4.In our statistics class, we learned how to apply the life table formula to real-world data.

在我们的统计课上，我们学习了如何将生命表公式应用于实际数据。

5.Researchers rely on the life table formula to assess the impact of health interventions on longevity.

研究人员依赖生命表公式来评估健康干预措施对寿命的影响。

作文

The concept of a life table formula is fundamental in the field of demography and actuarial science. It provides a systematic way to understand the mortality rates and life expectancy of a population. A life table formula is essentially a mathematical representation that summarizes the mortality experience of a cohort, which can be individuals born in a specific year or those who have reached a certain age. By examining this formula, researchers can derive significant insights regarding population health and longevity.To construct a life table formula, data on the number of deaths and the population at various ages is required. This data is usually gathered from national statistics or census information. The table typically includes columns for age, number of survivors at each age, the number of deaths, and the probability of dying within a certain age interval. From these columns, we can calculate life expectancy, which is a crucial indicator of the overall health of the population.One of the most important aspects of the life table formula is its ability to provide insights into the impact of various factors on mortality rates. For instance, socioeconomic status, healthcare access, and lifestyle choices can all significantly influence life expectancy. By analyzing the life table formula, policymakers can identify vulnerable populations and implement targeted interventions to improve health outcomes.Moreover, the life table formula is not only useful for understanding current mortality rates but also for predicting future trends. By applying statistical methods to the data, demographers can project how life expectancy may change over time due to advancements in medicine, changes in public health policies, or shifts in societal behaviors. This predictive capability makes the life table formula an essential tool for planners and decision-makers in various fields, including healthcare, economics, and urban development.In addition to its applications in public health and policy, the life table formula is also vital for insurance companies. Actuaries use these tables to assess risk and determine premiums for life insurance policies. By understanding the likelihood of death at various ages, insurers can create products that are both competitive and financially viable. This aspect highlights the practical implications of the life table formula in everyday life, as it directly affects the financial planning of individuals and families.In conclusion, the life table formula is a powerful analytical tool that serves multiple purposes across various fields. Its importance in understanding mortality rates and life expectancy cannot be overstated. As we continue to advance in data collection and analysis techniques, the life table formula will remain a cornerstone of demographic studies and public health initiatives. By leveraging the insights gained from this formula, we can work towards healthier populations and improved quality of life for individuals around the world.

生存表公式的概念在人口统计学和精算科学领域是基础性的。它提供了一种系统的方法来理解一个人群的死亡率和预期寿命。生存表公式本质上是对一个队列的死亡经历的数学表示，这个队列可以是某一年出生的个体，或者是达到某一特定年龄的人。通过研究这个公式，研究人员可以获得有关人口健康和长寿的重要见解。要构建生存表公式，需要关于各个年龄段死亡人数和人口的数据。这些数据通常来自国家统计或普查信息。该表通常包括年龄、每个年龄段的幸存者人数、死亡人数和在特定年龄区间内死亡的概率等列。通过这些列，我们可以计算出预期寿命，这是一个人口整体健康状况的重要指标。生存表公式的一个重要方面是它能够提供关于各种因素对死亡率影响的见解。例如，社会经济地位、医疗保健的可及性和生活方式选择都可能显著影响预期寿命。通过分析生存表公式，政策制定者可以识别脆弱人群并实施针对性的干预措施，以改善健康结果。此外，生存表公式不仅对理解当前死亡率有用，还对预测未来趋势至关重要。通过对数据应用统计方法，人口学家可以预测由于医学进步、公共卫生政策变化或社会行为变化，预期寿命可能如何随时间变化。这种预测能力使生存表公式成为各个领域（包括医疗保健、经济学和城市发展）规划者和决策者的重要工具。除了在公共卫生和政策中的应用外，生存表公式对于保险公司也至关重要。精算师利用这些表格来评估风险并确定人寿保险政策的保费。通过了解不同年龄段的死亡可能性，保险公司可以创建既具有竞争力又财务可行的产品。这一方面突显了生存表公式在日常生活中的实际意义，因为它直接影响到个人和家庭的财务规划。总之，生存表公式是一种强大的分析工具，在各个领域发挥着多重作用。它在理解死亡率和预期寿命方面的重要性不容小觑。随着我们在数据收集和分析技术方面的不断进步，生存表公式将继续成为人口研究和公共卫生倡议的基石。通过利用从这一公式中获得的见解，我们可以致力于实现更健康的人口和改善全球个人的生活质量。