If y is to be estimated for the value of x between two extreme points in a set of values, it is called interpolation.

**Interpolation**

Consider the profit of a manufacturing company in various years as
given below

The profit for the year 1989 is not available .To estimate the
profit for 1989 we use the technique called interpolation. Let *x* denote
the year and *y* denote the profit. The independent variable *x* is
called the argument and the dependent
variable *y* is called the entry. If *y* is to be estimated for the value of *x* between two extreme
points in a set of values, it is called interpolation.

There are two methods for interpolation. One is Graphical method
and the other one is algebraic method.

Tags : Numerical Methods , 12th Business Maths and Statistics : Chapter 5 : Numerical Methods

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12th Business Maths and Statistics : Chapter 5 : Numerical Methods : Interpolation | Numerical Methods

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