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 some cities, Uber allows you to pay your fare in cash. This option must be selected before you request a ride. Immediately after a trip ends, your app will ask you to rate your driver from 1 to 5 Stars. Driver-partners are also asked to rate riders.