Скачать или смотреть Calculating the Expectation, Variance & Standard Deviation of a Discrete Random Variable X

In this video, we break down how to calculate the expectation (mean), variance, and standard deviation of a Discrete Random Variable step by step. 📊
You’ll learn:
What a discrete random variable is
How to calculate the expected value
How to find the variance using the correct formula
How to calculate the standard deviation from the variance
Worked examples to make everything easy to understand
This video is perfect for students studying probability and statistics, high school math, or introductory college statistics. Watch till the end to build a strong foundation in random variables!
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