Statistics is the study of methods with which quantitative data which is gathered through observations, measurements or surveys can be assessed. This video uses easy-to-understand examples to explain the basics of statistics and the key figures arithmetic mean, span and mean absolute deviation. All spoken texts in the school film are also available as subtitles in order to provide the hearing-impaired with barrier free access to the contents. That enables as many children as possible to learn together in-keeping with the principles of inclusion.