GRAPHING

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GRAPHING
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Definitions

• Graph A picture representing a data table.
• X-Axis Horizontal
• Runs across the bottom of the graph.
• Independent Variable
• Y-Axis Vertical
• Runs up and down.
• Dependent Variable

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Definitions cont

• Data Point Place where the two data lines cross
  or intersect (x,y)
• Plotting Finding data point for an ordered pair
• Intersection Crossing of two lines when
  graphing

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Graphs Graphical Way of Presenting Data

• Bar Graphs Compares the amount of different
  characteristics of data.
• Generalizations easily seen
• Line Graphs Shows continuous data using two
  data points.
• Shows change over time
• Predictions
• Trends
• Pie Charts Uses percentages or fractions to
  compare data.

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Bar graph
 
TITLE OF GRAPH
                                             
Dependent Variable Y-Axis
Label X and Y axes with name, number and unit (if
available
Independent Variable X-Axis
Legend
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Line Graph
   
TITLE OF GRAPH
               
Label X and Y axes with name, number and unit (if
available
Legend
Dependent Variable Y-Axis
Independent Variable X-Axis
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Pie graph (Pie Chart)
 
TITLE OF GRAPH
 
 
Label each slice of the pie and write in the
percentage
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Making A Graph

• Things you must do when making a graph
• Choose the correct graph
• Add an appropriate Title
• Label Axes (X and Y)
• Plot data
• Show Legend

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