Economics Analysis using Graphs and Charts

Graphs:
These are used in representing data graphically to aid
further understanding of information. Graph is
a diagram that uses

lines or curves to show the relationship between
numbers or measurements that changes.

Charts: These are used in representing data
presented in tabular form in order to aid further
understanding of information about the table. The are
mainly used to represent observation that is
associated with time scale.
There are various types of charts which includes
* pie-chart: This is the name given to
a chart of information in the form of
cirice divided into sections.
* Bar-chart: This is one of the most important and popular
type of diagram used to show
statistical informations. examples of bar chart include
-- Simple bar chart: Here, bars are of equal width and
are constructed with their length corresponding to the various values of the data.
-- Composite bar chart: Also known as multiple or compound bar chart. They make
use of sub-total. Here, the subtotals are used instead of the overall total.
-- Component bar chart: Each bar in the chart is
subdivided according to the component of the data.
Each of the subdivision can be coloured, marked or
shaded differently to indicate the relative contributions
 of each division to the total.
-- Histogram: This is a
unique bar chart which has no space between the
bars. It's used for the estimation of continuous
variables. Other
names for histogram are bar graph, frequency graph
and frequency chart.
 Pictograph/pictogram: This is
a kind of graph that represents numerical data in form
of pictures.