index number

简明释义

指数索引编号

英英释义

例句

1.You can track your order using the index number 索引号 provided in your confirmation email.

您可以使用确认电子邮件中提供的index number 索引号跟踪您的订单。

2.The index number 索引号 is crucial for sorting and organizing data in spreadsheets.

在电子表格中，index number 索引号对于排序和组织数据至关重要。

3.The index number 索引号 of the product can be found on the packaging.

产品的index number 索引号可以在包装上找到。

4.To locate a specific item in the database, you need to enter the index number 索引号 associated with it.

要在数据库中找到特定项目，您需要输入与之相关的index number 索引号。

5.Please provide the index number 索引号 when requesting technical support.

请求技术支持时，请提供index number 索引号。

作文

In the world of data analysis and statistics, the term index number refers to a numerical value that represents a relative change in a variable over time. This concept is crucial for economists, researchers, and businesses as it helps them understand trends and make informed decisions. An index number is typically used to compare the current value of a dataset with a base value from a specific point in time. For instance, if we consider the price of consumer goods, an index number can illustrate how prices have increased or decreased over a certain period. To create an index number, one must first select a base year, which serves as the point of comparison. The value for this base year is usually set at 100. Consequently, if the index number for a subsequent year is 120, it indicates a 20% increase in prices compared to the base year. Conversely, if the index number is 80, it signifies a 20% decrease. This method allows for easy interpretation of data, making it accessible even for those who may not have a strong background in statistics.One of the most common applications of index numbers is in the calculation of the Consumer Price Index (CPI), which measures changes in the price level of a basket of consumer goods and services. Governments and organizations use the CPI to gauge inflation and adjust economic policies accordingly. For example, if the CPI shows a significant rise, it could prompt policymakers to consider raising interest rates to control inflation. On the other hand, a declining CPI might lead to measures aimed at stimulating economic growth. In addition to economics, index numbers are also widely used in finance to track stock market performance. The Dow Jones Industrial Average and the S&P 500 are examples of financial indices that represent the performance of selected stocks. Investors rely on these index numbers to assess market trends and make investment decisions. A rising index number in the stock market indicates that the overall market is performing well, while a falling index number suggests potential downturns. Moreover, index numbers can be used in various fields such as healthcare, education, and environmental studies. For instance, in healthcare, an index number might track the prevalence of a disease over time, providing insights into public health trends. In education, standardized test scores can be converted into index numbers to evaluate the performance of schools or districts over the years. Environmental scientists may use index numbers to measure changes in biodiversity or pollution levels, helping to inform policy and conservation efforts. In conclusion, understanding the concept of index numbers is essential for interpreting data across multiple domains. These numerical representations provide valuable insights into trends and changes, enabling stakeholders to make informed decisions. Whether in economics, finance, healthcare, or environmental science, index numbers serve as a vital tool for analysis and understanding. As we continue to navigate an increasingly data-driven world, the significance of index numbers will only grow, highlighting the importance of statistical literacy in our society.

在数据分析和统计学的世界中，术语指数编号指的是一个数值，表示某个变量随时间的相对变化。这一概念对经济学家、研究人员和企业至关重要，因为它帮助他们理解趋势并做出明智的决策。指数编号通常用于比较当前数据集的值与特定时间点的基准值。例如，如果我们考虑消费者商品的价格，指数编号可以说明价格在某段时间内是如何上涨或下跌的。要创建指数编号，首先必须选择一个基准年，作为比较的起点。这个基准年的值通常设定为100。因此，如果后续年份的指数编号为120，这意味着与基准年相比，价格上涨了20%。相反，如果指数编号为80，则表示价格下降了20%。这种方法便于数据的解释，使其即使对于那些没有强大统计背景的人也能理解。指数编号最常见的应用之一是在消费者价格指数（CPI）的计算中，该指数衡量一篮子消费品和服务的价格水平变化。政府和组织使用CPI来评估通货膨胀，并相应调整经济政策。例如，如果CPI显示出显著上升，可能会促使政策制定者考虑提高利率以控制通货膨胀。另一方面，CPI下降可能导致采取刺激经济增长的措施。除了经济学，指数编号还广泛应用于金融领域，以跟踪股票市场表现。道琼斯工业平均指数和标准普尔500指数就是代表所选股票表现的金融指数的例子。投资者依赖这些指数编号来评估市场趋势并做出投资决策。股票市场中的指数编号上升表明整体市场表现良好，而指数编号下降则暗示可能的衰退。此外，指数编号还可以用于医疗保健、教育和环境研究等多个领域。例如，在医疗保健中，指数编号可能跟踪某种疾病随时间的流行程度，为公共卫生趋势提供见解。在教育中，标准化考试成绩可以转化为指数编号，以评估学校或学区多年来的表现。环境科学家可能使用指数编号来测量生物多样性或污染水平的变化，从而帮助制定政策和保护工作。总之，理解指数编号的概念对于解释多个领域的数据至关重要。这些数值表示提供了对趋势和变化的宝贵见解，使利益相关者能够做出明智的决策。无论是在经济学、金融、医疗保健还是环境科学中，指数编号都是分析和理解的重要工具。随着我们继续在一个日益数据驱动的世界中航行，指数编号的重要性只会增加，突显出统计素养在我们社会中的重要性。