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Weighted averages and the friendship paradox. (Slovenian. English summary) Zbl 1367.91156

Summary: The paper describes an interesting phenomenon which appears in many areas of life and is known as the friendship paradox. The latter is connected with a special type of weighted averages in mathematics. Thus, in the beginning the concept of weighted averages is described as well as its applications and a mathematical interpretation. The last part describes the friendship paradox as it appears in the context of social networks. The connection with weighted averages and connections with some other areas are stated.

MSC:

91D30 Social networks; opinion dynamics
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