Many people using this medication do not have serious side effects. Tell your doctor immediately if any of these unlikely but serious side effects occur: vision changes (e.g., blurred vision), eye pain, easy bruising/bleeding, mental/mood changes, swelling of ankles /feet, unusual tiredness.
Standard Deviation and Variance. Deviation just means how far from the normal. Standard Deviation. The Standard Deviation is a measure of how spread out numbers are. Its symbol is Ï (the greek letter sigma) The formula is easy: it is the square root of the Variance.
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.