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.
A boutique is a small retail store that focuses on selling items for a niche market. Though people often think of a boutique as a...