The term ‘regression analysis’ means some sort of functional relationship between two or more related variables. Regression is the estimation of unknown values of one variable from known values of another variable.

An equation consisting differential co-efficient is called a differential equation. There are two types of differential equations.

curve tracing- a picture speaks more clearly than words and numbers. A curve which is the image of functional relationship gives us a lot information about the relation.

Matrices have a wide range of applications in various disciplines such as chemistry, Biology, Engineering, Statistics, economics, etc.

The t-distribution, which is also known as the student’s t-distribution, is the continuous probability distribution. It looks like a normal distribution.

Bar diagrams are the most commonly used diagrams. Shape of a bar is like a Rectangle.

Integration is the reverse process of differentiation. It is also called anti-differentiation.

Fourier series which is now used in various problems related to vibrations and heat transfer (Heat equation, which is a type of partial differential equation).

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