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GRAPHS - PowerPoint PPT Presentation


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1. GRAPHS. 2. What is a graph?. A graph is a visual display of information or data. Why use a graph? It allows us to interpret information faster and easier than a data table. 3. Line Graphs.

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1

GRAPHS


What is a graph

2

What is a graph?

  • A graph is a visual display of information or data.

  • Why use a graph?

  • It allows us to interpret information faster and easier than a data table.


Line graphs

3

Line Graphs

  • Line graphs are effective at showing a relationship where the dependent variable (DV) changes due to a change in the independent variable (IV).

  • The DV is placed on the y-Axis (vertical axis). The IV is placed on the x-Axis (horizontal axis).


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Bar graphs

7

Bar Graphs

Bar graphs are useful for comparing information collected by counting.


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Again, tables aren’t always the most efficient way to interpret data.


9

What classroom size is the most common?



Circle graphs

11

Circle Graphs

  • Circle graphs are sometimes called pie graphs.

  • Circle graphs show how a fixed quantity is broken down into percentages.



Important stuff

14

Important Stuff

  • Remember: The independent variable (IV) goes on the X-axis (horizontal axis).

  • The dependent variable (DV) goes on the Y-axis (vertical axis).

  • Label both axes!!!

  • Include your units!!!

  • Keep your scale consistent for each axis.



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EOCT


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