Uploaded July 2026 | Updated September 2026, 2 weeks ago

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Explore the fascinating properties of the mean and see how it changes when a dataset is transformed! This lesson demonstrates what happens to the mean when all values are increased or decreased by a certain number, and how multiplying or dividing each value by a constant affects the mean. With clear explanations and examples, you’ll gain a deeper understanding of how the mean behaves under different operations, making it easier to grasp the concepts of data manipulation and statistical analysis.

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khanacademy.org/math/class-7-tg/x476671d9fb9d8978:data-handling?lang=en

Timestamps:
00:00 - Change in mean on changing all values of a dataset by a specific number
02:15 - Summary

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