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Pigeonhole principle-If n pigeonholes are occupied by n + 1 or more pigeons, then at least one pigeonhole is occupied by more than one pigeon.
The exponential distribution is a continuous probability distribution and it is a widely used distribution in various fields such as engineering, research, data sciences etc.
The concept of sets is widely used in mathematics as well as in other fields such as engineering, computer sciences etc.
Introduction: In order to understand the concept of relations, let’s consider the following example:
Let X and Y are two sets. A relation f from X to Y is said to be a function if for every x ∈ X there is a unique element y ∈ Y, such that (x, y) ∈ X
When the changes in one variable are associated or followed by change in the other, we say that there is a correlation between the two. Such data connecting two variables is called a bivariate population.
Before studying about permutation and combination, we will have to know about factorial.The product of the positive integers from 1 to n is denoted by n! And we read it as “factorial “
Let X and Y are two sets. A relation f from X to Y is said to be a function if for every x ∈ X there is a unique element y ∈ Y, such that (x, y) ∈ X
If the change in one variable affects a change in other variable, then these two variables are said to be correlated.
Basically correlation is the measurement of the strength of a linear relationship between two variables say x and y.
The ratio test is also known as D Alembert’s ratio test. It was first published by Jean le Rond d’ Alembert.
Sequencing problems deals with the selection of an optimum order for the number of jobs to be performed with a finite number of facilities.
The degree of curvedness is used to determine the shape of a plane curve. Curvature is the measure of rate of change in of curvedness.
When we find the area of a triangle then it depends on base and height, hence we can say that area of the triangle is the function of base and height. In other words, when we have a mathematical function having more than one variables, we use partial differentiation.
the correction between these n pairs of rank is called the rank correlation in the characteristics A and B for that group of individuals.
A line that a curve approaches is known as asymptote. Any graph (curve) approaches to it but never touches it.
Skewness is one of the most important topics in mathematical statistics. The word skewness means lack of symmetry