This document discusses different types of graphical representations of data including bar charts, pie charts, and scatter plots which provide an effective way to understand and analyze large quantities of data at a glance. It also mentions that graphical representations can be created by hand or using charting applications and are useful tools for communication, documentation, planning, and displaying complex logic and information. Additionally, it provides some brief details on the history of the telephone, noting it was invented 137 years ago and allows for efficient communication between people over distances.

2. Graphical representation of data

3. Tabular Frequency
With
Adjacent Rectangle

4. Rectangular bar
With
Length Proportional

5. Percentage Values
As
Slice of Pie

6. Two Dimensional
Scatter plot

7. Understanding large
Quantity data in one
look
Created by hand or
charting application
Smart way To
Display Information

8. Communication Complex Logic
Effective Analysis reproduction
Proper Alteration &
Documentation Modification

9. Visual representation of an area

10. TOOL For planning
Help to find our way
in unfamiliar area
Show major places

11. Give an Shape
approximation
Knowledge From Scale
Those who Go there

13. Today’s Telephone- Communicating with one
another
Invented- 137 years ago
Name come from- ‘Tele’ = (disTance) & phonic
= (Sound)

14. First telephone
1875- Alexander Graham Bell-Boston,usa

15. Business – Efficient
Communication
Way of getting in touch with
one and another

16. Contact Disturbance
Vital tool -
business