copyright 2002, pearson education canada1 how to read and understand graphs appendix to chapter 1
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Copyright 2002, Pearson Education Canada1
How to Read and Understand Graphs
Appendix to Chapter 1
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Time Series Graphs (Figure1A.1)
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Time Series Graphs (Table 1A.1 & Figure 1A.2)
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A Cartesian Coordinate System (Figure 1A.3)
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A Cartesian Coordinate System (Figure 1A.4 and Table 1A.2)
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Positive and Negative Slopes of Curves (Figure 1A.5)
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Calculating the Slope of a Line
The slope of a line measures how much the variable on the y-axis changes when the variable on the x-axis changes by one unit.
SLOPE = ΔY = Y2 - Y1
ΔX X2 - X1
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Changing Slopes Along Curves (Figure 1A.6a)
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Changing Slopes Along Curves (Figure 1A.6b)
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Changing Slopes Along Curves (Figure 1A.6c)
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Changing Slopes Along Curves (Figure 1A.6d)
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Changing Slopes Along Curves (Figure 1A.6e)
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Changing Slopes Along Curves (Figure 1A.6f)
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Review Terms and Concepts
cartesian coordinate system
graph negative relationship origin positive relationship
slope time series graph x-axis y-axis y-intercept
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