Graphic Presentation – Introduction & Techniques 📉📈🎨

Graphs are powerful tools that turn large data tables into simple, visual forms that anyone can understand.
They are widely used in business reports, economics, research papers, and presentations.

As they say:

“Graphs reveal what tables conceal.”

What Is Graphic Presentation?

Definition:

Graphic presentation refers to the visual representation of statistical data using lines, bars, curves, and other graphical elements.

Graphs show trends, relationships, patterns, and comparisons instantly.

Why Are Graphs Used? 🎯

1. Easy to Understand

Even people without statistical knowledge follow graphs.

2. Shows Trends Clearly

Rising, falling, seasonal patterns → instantly visible.

3. Ideal for Comparison

Between:

• Years
• Companies
• Products
• Regions

4. Saves Time

A graph summarizes pages of tabular data.

5. Attractive & Engaging

Graphs make reports look professional.

Essentials of a Good Graph ✔️

A graph must have:

1. Clear Title

Should reveal what the graph shows.

2. Proper Scales

Uniform intervals along axes.

3. Axes Labels

X-axis → time or categories
Y-axis → values

4. Neat Plotting

Points or bars placed correctly.

5. Simplicity

Avoid too many lines, colors, or decorations.

6. Source

If data is secondary.

Types of Graphs in Statistics 🧩

• Histogram
• Frequency polygon
• Ogive
• Line graph
• Bar graph
• Pie chart

Each type serves a different purpose.

ASCII Diagram — The Role of Graphs

Tables
↓
Graphs
↓
Trends
↓
Insights
↓
Decisions

Summary ✨

Graphic presentation improves understanding by showing data visually.
Graphs are simple, attractive, comparative, and trend-revealing.

Quiz Time! 🎯