Difference vs. Variance
Differencenoun
(uncountable) The quality of being different.
Differencenoun
(countable) A characteristic of something that makes it different from something else.
Differencenoun
(countable) A disagreement or argument.
Differencenoun
Significant change in or effect on a situation or state.
Differencenoun
(countable) The result of a subtraction; sometimes the absolute value of this result.
Differencenoun
(obsolete) Choice; preference.
Differencenoun
(heraldry) An addition to a coat of arms to distinguish two people's bearings which would otherwise be the same. See augmentation and cadency.
Differencenoun
(logic) The quality or attribute which is added to those of the genus to constitute a species; a differentia.
Differencenoun
(logic circuits) A Boolean operation which is TRUE when the two input variables are different but is otherwise FALSE; the XOR operation (\scriptstyle A \overline B + \overline A B).
Differencenoun
(relational algebra) the set of elements that are in one set but not another (\scriptstyle A \overline B).
Differenceverb
(transitive) To distinguish or differentiate.
Differencenoun
The act of differing; the state or measure of being different or unlike; distinction; dissimilarity; unlikeness; variation; as, a difference of quality in paper; a difference in degrees of heat, or of light; what is the difference between the innocent and the guilty?
Differencenoun
Disagreement in opinion; dissension; controversy; quarrel; hence, cause of dissension; matter in controversy.
Differencenoun
That by which one thing differs from another; that which distinguishes or causes to differ; mark of distinction; characteristic quality; specific attribute.
Differencenoun
Choice; preference.
Differencenoun
An addition to a coat of arms to distinguish the bearings of two persons, which would otherwise be the same. See Augmentation, and Marks of cadency, under Cadency.
Differencenoun
The quality or attribute which is added to those of the genus to constitute a species; a differentia.
Differencenoun
The quantity by which one quantity differs from another, or the remainder left after subtracting the one from the other.
Differenceverb
To cause to differ; to make different; to mark as different; to distinguish.
Differencenoun
the quality of being unlike or dissimilar;
Differencenoun
a variation that deviates from the standard or norm;
Differencenoun
a disagreement or argument about something important;
Differencenoun
a significant change;
Differencenoun
the number that remains after subtraction; the number that when added to the subtrahend gives the minuend
Variancenoun
The act of varying or the state of being variable
Variancenoun
A difference between what is expected and what happens
Variancenoun
The state of differing or being in conflict
Variancenoun
A discrepancy, especially between two legal documents
Variancenoun
(statistics) The second central moment in probability
Variancenoun
covariance and contravariance generally
Variancenoun
The quality or state of being variant; change of condition; variation.
Variancenoun
Difference that produces dispute or controversy; disagreement; dissension; discord; dispute; quarrel.
Variancenoun
A disagreement or difference between two parts of the same legal proceeding, which, to be effectual, ought to agree, - as between the writ and the declaration, or between the allegation and the proof.
Variancenoun
The expected value of the square of the deviation from the mean of a randomly distributed variable; the second moment about the mean. This is also the square of the standard deviation.
Variancenoun
an event that departs from expectations
Variancenoun
discord that splits a group
Variancenoun
the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
Variancenoun
a difference between conflicting facts or claims or opinions;
Variancenoun
the quality of being subject to variation
Variancenoun
an activity that varies from a norm or standard;
Variancenoun
the fact or quality of being different, divergent, or inconsistent
Variancenoun
the state or fact of disagreeing or quarrelling
Variancenoun
a discrepancy between two statements or documents.
Variancenoun
a quantity equal to the square of the standard deviation.
Variancenoun
an official dispensation from a rule or regulation, typically a building regulation.
Variance
In probability theory and statistics, variance is the expectation of the squared deviation of a random variable from its mean. Variance is a measure of dispersion, meaning it is a measure of how far a set of numbers is spread out from their average value.
