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Title: how too choose you graph to pick
Description: teach you how to pick which graph to picj
Description: teach you how to pick which graph to picj
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HOW TO CHOOSE WHICH TYPE OF GRAPH TO USE?
When to Use
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a Line graph
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When smaller changes exist, line graphs are better to use than bar graphs
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Pie charts are best to use when you are trying to compare parts of a whole
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Bar graphs are used to compare things between different groups or to track changes over time
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Area graphs are very similar to line graphs
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Area graphs are good to use when
you are tracking the changes in two or more related groups that make up one whole category (for example public and private groups)
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an X-Y Plot
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The x-axis is used to measure one event (or variable)
and the y-axis is used to measure the other
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If one
variable decreases while the other increases, they have a negative relationship
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Pictograph
A pictograph uses an icon to represent a
quantity of data values in order to decrease
the size of the graph
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Line plot
A line plot can be used as an initial record
of discrete data values
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Handles large data sets easily
using keyed icons
Advantages
Quick analysis of data
Shows range, minimum &
maximum, gaps & clusters, and
outliers easily
Exact values retained
Pie chart
A pie chart displays data as a percentage
of the whole
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A total data
number should be included
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A total data number should be included
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Categories are of
continuous measure such as time, inches,
temperature, etc
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A double bar graph can
be used to compare two data sets
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Advantages
Line graph
A line graph plots continuous data as
points and then joins them with a line
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Advantages
Frequency Polygon
A frequency polygon can be made from a
line graph by shading in the area beneath
the graph
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Advantages
Visually strong
Can easily compare two or three
data sets
Can compare multiple continuous
data sets easily
Interim data can be inferred from
graph line
Visually appealing
Disadvantages
Cannot read exact values because data is
grouped into categories
More difficult to compare two data sets
Use only with continuous data
Disadvantages
Graph categories can be reordered to
emphasize certain effects
Use only with discrete data
Disadvantages
Use only with continuous data
Disadvantages
Anchors at both ends may imply zero as
data points
Use only with continuous data
Scatterplot
A scatterplot displays the relationship
between two factors of the experiment
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Advantages
Stem and Leaf Plot
Stem and leaf plots record data values in
rows, and can easily be made into a
histogram
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Advantages
Box plot
A boxplot is a concise graph showing the
five point summary
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More about boxplots
here
Title: how too choose you graph to pick
Description: teach you how to pick which graph to picj
Description: teach you how to pick which graph to picj