ï½ âSigmaâ (Ï) is a Greek letter used to represent. the statistical term âstandard deviationâ. ï½ Standard deviation is a numerical value that. represents the measure of the average. variability between the mean (average) of a. sample or population and the individual data. points that make up the total sample.
A definition of retail marketing includes the places where it occurs, such as in-store, online and points of sale. This also applies to non-store operations such as retail sales taking place from the business owner's home. Related Reading: Importance of Retail Marketing.
The OECD Glossary of Statistical Terms reports the retail trade is the resale of new and used goods to the general public. Businesses involved in the retail trade generally sell goods for personal and household use.1  What Is the Meaning of Retailing? 2  What Are the Different Types of Retail Stores?he OECD Glossary of Statistical Terms reports the retail trade is the resale of new and used goods to the general public. Businesses involved in the retail trade generally sell goods for personal and household use. 1  What Is the Meaning of Retailing? 2  What Are the Different Types of Retail Stores?