Descriptive statistics done for

• Descriptive statistics are used to describe the features of a sample or population using quantitative analysis methods.
• Descriptive statistics can be classified into measures of central tendency and measures of dispersion.

Descriptive statistics use summary statistics, graphs, and tables to describe a data set. This is useful for helping us gain a quick and easy understanding of a data set without pouring over all of the individual data values. Inferential statistics use samples to draw inferences about larger populations.

Key Takeaways

• Descriptive statistics refers to the collection, representation, and formation of data. It is used for summarizing data set characteristics.
• It is classified into three types—frequency distribution, central tendency, and variability.

Descriptive statistics are informational and meant to describe the actual characteristics of a data set.Descriptive statistics can be useful for two purposes: 1) to provide basic information about variables in a dataset and 2) to highlight potential relationships between variables.