Graphing Basics
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Graphing Basics
description
Graphing Basics. Why do we graph?. Visual representation of data “Short hand” for presenting large amounts of information at once Easier to visualize trends than by just using numbers or figures More organized way of showing information. What is this?. Type: Data Chart - PowerPoint PPT Presentation
Transcript of Graphing Basics
Graphing Basics
Why do we graph?
• Visual representation of data
• “Short hand” for presenting large amounts of information at once
• Easier to visualize trends than by just using numbers or figures
• More organized way of showing information
What is this?Height (cm) of Jr. High Students by Grade
7th 8th 9th140 152 160144 155 166144 160 162150 166 180155 150 175130 152 177133 144 152152 155 188140 155 159140 180 166141 182 165172 169 166180 160 167166 160 152154 160 184155 155 170138 175 170166 153 162181 140 166154 145 180
Type: Data Chart
Purpose: To organize data collected
What is this?
Type: Bar Graph
Purpose: To show a side-by-side comparison of data. • X axis is usually used to
plot independent variable• Y axis is usually used to
plot dependent variable
What is this?
Type: Line Graph
Purpose: To show a change over time or distance.
• X axis is used to plot independent variable (time, distance, etc.)
• Y axis plots the dependent variable
What is this?
Type: Pie Chart
Purpose: To show parts of a whole (percentages)
Parts of a Graph
Graph Title
Y Axis Label- Include units
X Axis LabelLegend
Graph TitleY
Axi
s L
ab
el
LegendX Axis Label
Data Label
Data Label
Data Label
Data Label
Data Label
Graph Title
