In statistics, the standard deviation (SD, also represented by the Greek letter sigma Ï or the Latin letter s) is a measure that is used to quantify the amount of variation or dispersion of a set of data values.
How to Estimate Your Uber Fare. The fare you'll owe from the car service Uber will depend on various different factors such as city, distance, and type of car. You can use a few pieces of info to estimate it though.
In most cities, Uber offers upfront pricing; the rider is quoted the fare that he or she will pay before requesting the ride. In some cities, Uber does not offer upfront pricing and instead calculates the price of a ride similar to a taximeter; the rider is charged based on the time and distance of the ride. Uber also offers promotional rates on rides to/from certain areas at certain times.