Data Science and Machine Learning (Theory and Projects) A to Z - Expectations: Variance

The video tutorial explains the transformation of random variables and how to compute the expected value of a transformed variable. It covers the concept of moments, including the second moment, and their importance in data analysis. The tutorial also delves into variance, its calculation, and its role in statistics, particularly in the context of normal distribution. The video concludes with a brief overview of the law of large numbers and its application to variance.

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