MATH 1070 Chapter Notes - Chapter 1: Dependent And Independent Variables, Confounding
Document Summary
Statistics is the science of collecting, organizing, summarizing, and analyzing information to draw conclusions or answers to questions. It also lends to the validity of the work. An individual is a person or object that is a member of the population being studied. A sample is a subset of the population. (when the population is divided into groups for a study or experiment. ) A statistic is a numerical summary of a sample. Descriptive statistics consist of organizing and summarizing data like tables or graphs. Inferential statistics uses methods that take a result from a sample and extend it to the population and measure the reliability of the result. A parameter is a numerical summary of the population. Qualitative or categorical variables allow for classification of individuals based on some attribute or characteristic. Can be added and subtracted and provides meaningful results.
