Learn what discrete, continuous, and categorical variables are. Also, learn the comparison of each alongside examples for each type of variable.

A random variable is a function that associates certain outcomes or sets of outcomes with probabilities. Random variables are classified as discrete or continuous depending on the set of possible ...

Sep 13, 2021 · A discrete random variable is a random variable that can only assume a finite or countably infinity number of distinct values. For reference, see Mathematical Statistics with …

Learn how to calculate the mean or expected value of a discrete random variable, and see examples that walk through sample problems step-by-step for you to improve your statistics knowledge and ...

Learn how to calculate the variance of a discrete random variable, and see examples that walk through sample problems step-by-step for you to improve your statistics knowledge and skills.

Learn about discrete and continuous probability distribution of a random variable. Discover how to make a probability distribution graph for both types of variables.

The expected value of a discrete random variable is the theoretical mean of the result of an experiment which is repeated many times.

Learn how to calculate the standard deviation of a discrete random variable, and see examples that walk through sample problems step-by-step for you to improve your statistics knowledge and skills.

A discrete probability distribution is the probability distribution of a discrete random variable X as opposed to the probability distribution of a continuous random variable.

Sep 21, 2024 · That post constructs a discrete random variable whose support is an interval of rational numbers $ [0,1]\cap\mathbb Q,$ which is dense within the interval $ [0,1]$ of real numbers. In fact, …