DISCRETE Discrete mathematics is the branch of mathematics dealing with objects that can assume only distinct, separated values. ... Topics in number theory such as congruences and recurrence relations are also considered part of discrete mathematics.
Variance In probability theory and statistics, variance is the expectation of the squared deviation of a random variable from its mean.
Variable A variable is basically a letter or a symbol that represents an unknown quantity.
Answers & Comments
DISCRETE
Discrete mathematics is the branch of mathematics dealing with objects that can assume only distinct, separated values. ... Topics in number theory such as congruences and recurrence relations are also considered part of discrete mathematics.
Variance
In probability theory and statistics, variance is the expectation of the squared deviation of a random variable from its mean.
Variable
A variable is basically a letter or a symbol that represents an unknown quantity.
HOPE THIS HELPS