2
Random Variables and Probability Distributions
In this chapter, we are going to learn about randomness in data and how we can use probability distributions to describe and handle this randomness. Because of the importance of this chapter, we will deliberately spend a lot of time emphasizing in words the math concepts we are introducing. This makes this chapter a long one. Take your time and digest its contents fully. Doing so will pay dividends because so many of the other math concepts we introduce in this book are underpinned by what we introduce in this chapter. We will do this in five separate topics, each building upon the previous topic. Those topics are the following:
- All data is random: In this section, we learn how randomness in ...
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