Variations and sub-classes. Statistical hypothesis testing is a key technique of both frequentist inference and Bayesian inference, although the two types of. This web page describes how symbols are used on the Stat Trek web site to represent numbers, variables, parameters, statistics, etc. Since the null hypothesis would be that there is no difference between the two. the null hypothesis would be designated by the following symbols: H 0. Research Hypothesis (H 1) The research hypothesis (or hypotheses-- there may be more than one) is our working hypothesis -- our prediction, or what. Principle. Hypothesis testing requires constructing a statistical model of what the world would look like given that chance or random processes alone were responsible. Created Date: 12:05:44 PM Alphabetical Statistical Symbols: Symbol. F-distribution, Hypothesis testing for are the equality of 2 variances. n2 corresponding degrees of freedom. F (x) or F x. Statistical Symbols. Probability and statistics symbols table and definitions. Probability and statistics symbols table. Symbol Symbol Name Meaning / definition Example; Alphabetical Statistical Symbols: Symbol Text Equivalent Meaning Formula Link to Glossary. hypothesis. Q Probability of not happening of the event q = 1 – p Student Academic Learning Services Page 1 of 7. A Student Academic Learning Services Guide. Use the population symbols in your hypothesis statements.