W San Francisco. An electric urban retreat in heart of the SoMa district. W San Francisco Hotel is a gathering place for art exhibitions, film screenings, fashion and music events. Bask in panoramic views of the Bay Bridge and the city skyline at W San Francisco, across from the beautiful Yerba Buena Gardens.
It is used, along with significant digits, to indicate the precision of a measurement. Thus, in the two-significant-digit measurement 5.4 0.2 meters, the uncertainty interval is 0.2 meters. This means that the true value of the measurement is believed to lie between 5.2 meters and 5.6 meters.
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.