Panic attack symptoms are a common reaction. Other anxiety disorders include: agoraphobia, separation anxiety disorder and substance/medication-induced anxiety disorder involving intoxication or withdrawal or medication treatment.
Statistics and Probability Dictionary. Select a term from the dropdown text box. The online statistics glossary will display a definition, plus links to other related web pages. Select term: Variance. The variance is a numerical value used to indicate how widely individuals in a group vary. If individual observations vary greatly from the group mean, the variance is big; and vice versa. It is important to distinguish between the variance of a population and the variance of a sample.
1. deviation-a variation that deviates from the standard or norm; the deviation from the mean. departure, difference, divergence. variation, fluctuation-an instance of change; the rate or magnitude of change. variance, variant, discrepancy-an event that departs from expectations.eviation. n. 1. an act or result of deviating. 2. (Statistics) statistics the difference between an observed value in a series of such values and their arithmetic mean.