average value

简明释义

平均值

英英释义

The average value is a central or typical value for a set of data, calculated by dividing the sum of all values by the number of values.

平均值是数据集的一个中心或典型值,通过将所有值的总和除以值的数量来计算。

例句

1.The average value of the monthly expenses helps in budgeting effectively.

每月开支的平均值有助于有效制定预算。

2.The average value of the dataset is calculated to be 75.

这个数据集的平均值计算结果为75。

3.In our survey, the average value of customer satisfaction was 4.5 out of 5.

在我们的调查中,顾客满意度的平均值为5分中的4.5。

4.When analyzing test scores, the average value provides a good indication of overall performance.

在分析考试成绩时,平均值能很好地指示整体表现。

5.To find the average value, add all the numbers together and divide by the count.

要找到平均值,把所有数字相加后除以数量。

作文

In mathematics and statistics, the concept of average value (平均值) plays a crucial role in understanding data sets and making informed decisions. The average value is essentially a measure that summarizes a set of numbers by identifying the central point within that data. It is calculated by summing all the values in a data set and then dividing by the number of values. This simple yet powerful calculation allows us to grasp the overall trend or typical value of the data we are analyzing.For instance, consider a classroom where students have scored the following grades on a test: 85, 90, 78, 92, and 88. To find the average value (平均值) of these scores, we first add them together: 85 + 90 + 78 + 92 + 88 = 433. Then, we divide this sum by the number of students, which is 5. Therefore, the average value is 433 ÷ 5 = 86.6. This average value provides a quick snapshot of the students' performance, indicating that, on average, students scored around 86.6 on the test.The significance of the average value extends beyond just academic settings; it is widely used in various fields such as economics, finance, and even everyday life. For example, businesses often analyze their sales data to determine the average value (平均值) of transactions. By understanding the average value of sales, a company can make strategic decisions regarding pricing, marketing, and inventory management. If the average value of sales is lower than expected, the business might consider promotional strategies to boost sales or adjust their product offerings.Moreover, the average value can also serve as a benchmark for performance evaluation. In sports, coaches may look at the average value of points scored by players over a season to assess their contributions to the team. Similarly, in finance, investors may examine the average value of returns from different stocks to make informed investment decisions.However, it is essential to note that relying solely on the average value can sometimes be misleading. This is because the average value does not account for the distribution of the data. For instance, if a few students score exceptionally high or low, they can skew the average value significantly. Therefore, it is often beneficial to consider other statistical measures, such as the median or mode, along with the average value to gain a more comprehensive understanding of the data.In conclusion, the average value (平均值) is a fundamental concept that aids in summarizing data and drawing insights across various domains. Whether you are analyzing student grades, sales figures, or performance metrics, understanding how to calculate and interpret the average value is vital. However, it is equally important to recognize its limitations and complement it with other statistical measures for a more nuanced analysis. By mastering the concept of average value, one can enhance their analytical skills and make better-informed decisions in both personal and professional contexts.

在数学和统计学中,平均值的概念在理解数据集和做出明智决策方面发挥着至关重要的作用。平均值本质上是一个度量,通过识别数据中的中心点来总结一组数字。它是通过将数据集中的所有值相加,然后除以值的数量来计算的。这一简单而强大的计算使我们能够掌握所分析数据的总体趋势或典型值。例如,考虑一个教室,学生在一次测试中获得了以下分数:85、90、78、92和88。要找到这些分数的平均值,我们首先将它们相加:85 + 90 + 78 + 92 + 88 = 433。然后,我们将这个总和除以学生的数量,即5。因此,平均值为433 ÷ 5 = 86.6。这个平均值提供了学生表现的快速快照,表明平均而言,学生在测试中的得分约为86.6。平均值的重要性不仅限于学术环境;它在经济学、金融甚至日常生活等各个领域广泛应用。例如,企业通常会分析其销售数据,以确定交易的平均值。通过了解销售的平均值,公司可以在定价、营销和库存管理方面做出战略决策。如果销售的平均值低于预期,企业可能会考虑促销策略来提升销售或调整产品供应。此外,平均值还可以作为绩效评估的基准。在体育中,教练可能会查看球员整个赛季得分的平均值,以评估他们对球队的贡献。同样,在金融领域,投资者可能会检查不同股票的平均值回报,以做出明智的投资决策。然而,重要的是要注意,仅仅依靠平均值有时可能会产生误导。这是因为平均值并没有考虑数据的分布。例如,如果一些学生的得分异常高或低,它们可能会显著扭曲平均值。因此,通常有必要考虑其他统计度量,例如中位数或众数,以及平均值,以便更全面地理解数据。总之,平均值是一个基本概念,有助于总结数据并在各个领域中提取见解。无论您是在分析学生成绩、销售数据还是绩效指标,了解如何计算和解释平均值都是至关重要的。然而,同样重要的是认识到它的局限性,并结合其他统计度量进行更细致的分析。通过掌握平均值的概念,人们可以增强分析技能,并在个人和职业环境中做出更明智的决策。