1 The OnStar Basic Plan is available for up to 5 years from the original delivery date on new, eligible 2014a model year and newerb vehicles and is transferable; and for three years for new subscribers of eligible 2011 model year or newer, OnStar-equipped, pre-owned vehicles.
DEFINITION of 'Standard Deviation'. 1. A measure of the dispersion of a set of data from its mean. The more spread apart the data, the higher the deviation. Standard deviation is calculated as the square root of variance.2. In finance, standard deviation is applied to the annual rate of return of an investment to measure the investment's volatility. measure of the dispersion of a set of data from its mean. The more spread apart the data, the higher the deviation. Standard deviation is calculated as the square root of variance. 2.
As you said standard deviation is the spread from the mean for a series of data. The wider the spread the more volatile your series of data are. The smaller the spread the less volatile your series are. Standard deviation is one of the measure used in assessing the risk associated to a company stock. just now. Report Abuse. The standard deviation is a measure of the spread of a normally distributed population. Knowing it and the mean you can calculate the proportion of the population having any particular value of the measured variable.