1.

a measure of dispersion in a frequency distribution, equal to the square root of the mean of the squares of the deviations from the arithmetic mean of the distribution.

Origin of standard deviation

1920-1925

British Dictionary definitions for standard-deviation

1.

(statistics) a measure of dispersion obtained by extracting the square root of the mean of the squared deviations of the observed values from their mean in a frequency distribution

standard-deviation in Medicine

**standard deviation** *n.* *Symbol ***σ**

A statistic used as a measure of the dispersion or variation in a distribution, equal to the square root of the arithmetic mean of the squares of the deviations from the arithmetic mean.

standard-deviation in Science

standard-deviation in Culture

In statistics, a measure of how much the data in a certain collection are scattered around the mean. A low standard deviation means that the data are tightly clustered; a high standard deviation means that they are widely scattered.

: About sixty-eight percent of the data are within one standard deviation of the mean.Note

10

11

Scrabble
Words With Friends

- standard housing benefit
- standard i/o
- standard input/output
- standard instrument control library
- standard interpretation
- standard lead
- standard lisp
- standard ml
- standard ml of new jersey
- standard nine
- standard normal distribution
- standard operating environment
- standard scratch score
- standard semantics
- standard solution
- standard temperature
- standard volume
- standard widget toolkit
- standard-atmosphere
- standard-bearer
- standard-book-number
- standard-bred
- standard-cell
- standard-coin
- standard-cost
- standard-deviation
- standard-dollar
- standard-english
- standard-error
- standard-gauge
- standard-lining
- standard-model
- standard-money
- standard-of-living
- standard-operating-procedure
- standard-schnauzer
- standard-score
- standard-temperature-and-pressure
- standard-time
- standardbred
- standardise
- standardization
- standardize
- standardized
- standards
- standaway
- standby
- standby power
- standby time
- standee
- standfast