Properties of Binomial Distribution What is a binomial distribution? A binomial distribution is a discrete probability distribution What are the important properties of a binomial distribution? Th...
Expected Values E(X) What does E(X) mean and how do I calculate E(X)? E(X) means the expected value or the mean of a random variable X The expected value does not need to be an obtainable value of ...
Discrete Probability Distributions What is a discrete random variable? A random variable is a variable whose value depends on the outcome of a random event The value of the random variable is not ...
Venn Diagrams What is a Venn diagram? A Venn diagram is a way to illustrate events from an experiment and are particularly useful when there is an overlap between possible outcomes A Venn diagram c...
Conditional Probability What is conditional probability? Conditional probability is where the probability of an event happening can vary depending on the outcome of a prior event The event A happen...
Probability Basics What key words and terminology are used with probability? An experiment is a repeatable activity that has a result that can be observed or recorded Trials are what we call the re...
Linear Regression What is linear regression? If strong linear correlation exists on a scatter diagram then the data can be modelled by a linear model Drawing lines of best fit by eye is not the bes...
PMCC What is Pearson’s product-moment correlation coefficient? Pearson’s product-moment correlation coefficient (PMCC) is a way of giving a numerical value to a linear relationship of bivariate dat...
Scatter Diagrams What does bivariate data mean? Bivariate data is data which is collected on two variables and looks at how one of the factors affects the other Each data value from one variable wi...
