1. Graph: a visual display of information or data
TECH NOTES: GRAPHING
Graph: a visual display of information or data

2. TYPES OF GRAPHS Line graph
Used to show trends or how data changes over time
Example: temperature over time

3. TYPES OF GRAPHS Bar graph: Used to compare data collected by counting
Example: number of students/classroom

4. TYPES OF GRAPHS Circle/Pie graph:
Used to show how a fixed quantity is broken down into parts
Parts are represented as percentages of the total
Example: % of students with different ethnicity

5. Parts of a graph Independent variable: Dependent variable: X-axis:
Value does not depend on the other variable
Dependent variable:
Value depends on the changes in the independent variable
X-axis:
horizontal axis; independent variable plotted on this axis
Y-axis:
vertical axis; dependent variable plotted on this axis

6. 5 things all graphs must have:
Specific title
Labels
Units
Scale
Data