Explain STANDARD DEVIATION: The square root of the variance, and a common way to indicate just how different a particular measurement is from the mean. “An observation more than three standard deviations away from the mean can be considered quite rare, in most applications.”[zumel] Statistical software packages offer automated ways to calculate the standard deviation. See also variance.
Different definitions in web development like standard deviation in Dictionary S.
- Manual Scalar:
- Meaning “Designating or of a quantity that has magnitude but no direction in space, as volume or temperature — n. a scalar quantity: distinguished from vector”[websters] See also vector standard deviation definition.
- Manual SQL:
- Meaning query language for relational databases. Variations of this extremely popular language are often available for data storage systems that aren't strictly relational; watch for the phrase “SQL standard deviation explain.
- Manual Standardized Score:
- Meaning score, normal score, z-score. “Transforms a raw score into units of standard deviation above or below the mean. This translates the scores so they can be evaluated in reference to the standard normal standard deviation what is.
- Manual Standard Normal Distribution:
- Meaning distribution with a mean of 0 and a standard deviation of 1. When graphed, it’s a bell-shaped curve centered around the y axis, where x=0. See also normal distribution, mean, standard deviation standard deviation meaning.
- Manual Serial Correlation:
- Meaning from day to day, you might expect to see patterns. If the price is high on Monday, you might expect it to be high for a few more days; and if it’s low, you might expect it to stay low. A pattern like standard deviation abbreviation.
