Standard Deviation of Random Variables Explained with Examples! скачать в хорошем качестве

Standard Deviation of Random Variables Explained with Examples!

In this video, we break down how to calculate the standard deviation of a discrete random variable step-by-step. Whether you’re studying for a test, reviewing for class, or just reinforcing your understanding of probability, this lesson will guide you through the process clearly and intuitively. What You’ll Learn: 📘 How to compute the mean of a discrete random variable 📘 How to calculate variance and standard deviation from a probability distribution 📘 How standard deviation measures spread in real-world contexts 0:00 Intro 1:48 The table below shows the probability distribution of a random variable X. What is the standard deviation of X? 3:35 Mariana kept track of how many pages of her favorite comic book series she read each day. Y is the number of pages that she read on a randomly chosen day. What is the standard deviation of Y? 5:45 Outro If you find this helpful, don’t forget to like and subscribe! Keep practicing this topic here: https://www.ixl.com/math/algebra-2/st... #StandardDeviation #RandomVariables #StatisticsTutorial