Trung bình
/ˈmiːdiən//ˈmiːdiən/The word "median" originated from the medieval Latin word "mediānus," which translates to "in the middle." The concept of median in statistics, specifically, refers to the value that divides a set of data into two equal parts, with an equal number of observations above and below it. It is often represented with the letter "Md" or just "Med." In ancient Greece, philosophers like Aristotle and Plato discussed quantitative concepts such as arithmetic, geometry, and statistics. However, it wasn't until the medieval period that Greek mathematical treatises started being translated and disseminated across Europe, rekindling interest in these concepts. Mathematics and statistics began to be taught in universities, leading to advancements in fields like finance, economics, and engineering. In the 17th century, Blaise Pascal and Fermat independently proposed the concept of expectation in gambling, which laid the groundwork for the development of probability theory and statistics. The concept of the median was closely tied to these ideas, as it helped to measure centrality and identify patterns in data. Today, the median is an essential concept in statistical analysis, as it provides a helpful measure of the middle value in a distribution, especially when dealing with highly skewed datasets. It is often used in various fields like finance, economics, engineering, and social sciences to analyze trends, identify outliers, and make informed decisions.
having a value in the middle of a series of values
có một giá trị ở giữa một chuỗi các giá trị
độ tuổi/giá trung bình
Thu nhập trung bình của các gia đình sống ở khu vực này là 60.000 đô la.
Trong một cuộc khảo sát 100 người, độ tuổi trung bình là 30.
Giá trung bình của một ngôi nhà ở khu vực này là 350.000 đô la.
Mức lương trung bình của sinh viên tốt nghiệp ngành kỹ sư là 70.000 đô la.
located in or passing through the middle
nằm ở hoặc đi qua giữa
một điểm/đường trung tuyến
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