Tech Notes

My notes on Statistics, Big Data, Cloud Computing, Cyber Security

Tag Archives: population variance

Random Variables and Probability Distributions

Random Variable
The outcome of an experiment need not be a number, for example, the outcome when a coin is tossed can be ‘heads’ or ‘tails’. However, we often want to represent outcomes as numbers. A random variable is a function that associates a unique numerical value with every outcome of an experiment. The value of the random variable will vary from trial to trial as the experiment is repeated. Read more of this post