arithmetic mean

arithmetic mean的音标是[ˌærɪθɪmt] [miːn]，基本翻译是算术平均数，速记技巧是“阿瑞米”。

Arithmetic Mean的英文词源为拉丁语“arithmetica”，意为“算术”。其变化形式如下：

1. mean：原形，表示平均数或平均值。

2. average：由“平均”和“value”构成，表示平均值或平均价格。

3. median：由“中间的”和“值”构成，表示中间值，即数据排序后处于中间的数值。

4. mode：由“出现最多的”和“值”构成，表示众数，即在一组数据中出现次数最多的数值。

5. arithmetic：由“算术”和“技术”构成，表示算术方法或算术运算。

6. arithmetic mean：由“算术”和“平均值”构成，表示算术平均数，即一组数据中所有数值的平均值。

7. geometric mean：由“几何”和“平均数”构成，表示几何平均数，是一种特殊的平均数。

8. harmonic mean：由“调和”和“平均数”构成，表示调和平均数，是一种基于比例关系的平均数。

9. weighted mean：由“加权”和“平均数”构成，表示加权平均数，是一种考虑了数值权重的平均数。

相关单词有average price（平均价格）、average speed（平均速度）、arithmetic progression（等差数列）、geometric growth（几何增长）、harmonic ratio（调和比）等。这些单词都与平均数或平均值有关，反映了数学在各个领域的应用和发展。

常用短语：

1. arithmetic mean 算术平均值

2. mean average 平均值

3. mean value 平均值

4. mean score 平均分数

5. mean deviation 平均偏差

6. mean error 平均误差

7. mean proportion 平均比例

例句：

1. The arithmetic mean of the scores is 80, indicating that most students scored around this level.

2. The mean deviation of the prices is 5%, indicating that most prices are within 5% of the mean.

3. The mean value of the temperature over the past week is 25 degrees Celsius, indicating that it has been relatively stable.

4. The mean proportion of the budget is 30%, indicating that the government has allocated a significant portion of its resources to education and health care.

5. The mean score on the exam was 70 out of 100, indicating that most students performed well on the exam.

6. The mean error in the data analysis was very low, indicating that the data was accurate and reliable.

7. The arithmetic mean of the profits and losses for the quarter was negative, indicating that the company lost money in the quarter.

英文小作文：

The Meaning of Meaning

Meaning is a fundamental concept in communication, and it is essential to understand its importance and impact on our lives. The arithmetic mean is a measure of central tendency that represents a group of data by averaging their values, but it is also a way to understand the essence of meaning in communication. Meaning is not simply the sum of individual words or ideas, but rather a combination of them that conveys a message or idea to another person or group. When we communicate, we use language to convey meaning, and this meaning is determined by the context, intention, and purpose of the speaker. Similarly, when we receive communication, we interpret it based on our own context, experience, and understanding of the message. Therefore, the arithmetic mean of meaning is not simply the sum of individual meanings, but rather a combination of them that reflects the overall message or idea conveyed by the communication. In short, understanding the arithmetic mean of meaning helps us appreciate the importance of communication and its impact on our lives.