Graphing Notes

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Transcript Graphing Notes

Graphing Notes
Why Graph?
• Graphs are great because they
communicate information
visually
• Graphs help make complicated
information easy to understand
• A graph helps get your point
across quickly and visually
3 Things Needed on Every
Graph:
• 1. Title
• 2. Labels on the X-axis and
Y-axis
• 3. Key
Why is a title
important?
Choose an
appropriate
scale
• It tells you
• Use numbers
what the graph
that are easy:
is about
2, 5, 10
• Make sure
each
line/space is
worth the
same amount
3 Types of Graphs
• 1. Bar -shows information
collected by counting.
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3 Types of Graphs
• 2. Line
– shows the relationship
between two variables and how they
change. 100
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3 Types of Graphs
• 3. Pie -
shows information
collected by counting and divided by
the total to get a percentage (% )
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Types of Variables
• Independent Variable – the
factor that as you change it
affects another variable; found
on the x-axis
• Dependent Variable – the factor
that changes as the independent
variable changes; found on the
y-axis