What are examples of statistics? A statistic is a number that represents a property of the sample. For example, if we consider one math class to be a sample of the population of all math classes, then the average number of points earned by students in that one math class at the end of the term is an example of a statistic.Statistics is a branch of applied mathematics that involves the collection, description, analysis, and inference of conclusions from quantitative data. ... Some common statistical tools and procedures include the following: Descriptive. Mean (average) Variance.What is statistics in simple words? 1 : a branch of mathematics dealing with the collection, analysis, interpretation, and presentation of masses of numerical data. 2 : a collection of quantitative data.