mean square deviation
31mean — mean1 /meen/, v., meant, meaning. v.t. 1. to have in mind as one s purpose or intention; intend: I meant to compliment you on your work. 2. to intend for a particular purpose, destination, etc.: They were meant for each other. 3. to intend to… …
32Deviation — may refer to: Deviation (statistics), the difference between the value of an observation and the mean of the population in mathematics and statistics Standard deviation, which is based on the square of the difference Absolute deviation, where the …
33Square (algebra) — In algebra, the square of a number is that number multiplied by itself. To square a quantity is to multiply it by itself.Its notation is a superscripted 2 ; a number x squared is written as x ². Thus: If x is a positive real number, the value of… …
34deviation — 1. A turning away or aside from the normal point or course. 2. An abnormality. 3. In psychiatry and the behavioral sciences, a departure from an accepted norm, role, or rule. SYN: deviance. 4. A statistical measure representing the …
35Standard deviation — In probability and statistics, the standard deviation is a measure of the dispersion of a collection of values. It can apply to a probability distribution, a random variable, a population or a data set. The standard deviation is usually denoted… …
36standard deviation — /stændəd diviˈeɪʃən/ (say standuhd deevee ayshuhn) noun the square root of the average of the squares of a set of deviations about an arithmetic mean; the root mean square of the deviations of a set of values …
37Unbiased estimation of standard deviation — In statistics, the standard deviation is often estimated from a random sample drawn from the population. The most common measure used is the sample standard deviation , which is defined by:s = sqrt{frac{1}{n 1} sum {i=1}^n (x i… …
38Median absolute deviation — In statistics, the median absolute deviation (MAD) is a robust measure of the variability of a univariate sample of quantitative data. It can also refer to the population parameter that is estimated by the MAD calculated from a sample. For a… …
39standard deviation — A standard deviation tells us how much specific examples vary from the average in a particular set. Thus, the larger the standard deviation, the more diverse/volatile are the examples. The more volatile the examples, the less predictable and… …
40standard deviation — noun Date: 1894 1. a measure of the dispersion of a frequency distribution that is the square root of the arithmetic mean of the squares of the deviation of each of the class frequencies from the arithmetic mean of the frequency distribution;… …
