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01TuckIntro_appenShow

# 01TuckIntro_appenShow - Appendix 1 Math and Graph Skills...

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Appendix 1 Math and Graph Skills

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2 Table Graph Income Consumption Point \$ 0 100 200 300 400 \$ 50 100 150 200 250 a b c d e Consumption ( C ) \$400 300 200 100 0 Income ( Y ) \$100 200 300 400 a b c d e Plot Data Points to Create Graph
3 Direct and Inverse Relationships Direct Relationship Inverse Relationship Both Variables Move Up or Down Together Variables Move Opposite Each Other

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4 Dependent and Independent Variables Independent Variable Cause or Source of Change Dependent Variable Effect or Result of the Change in the Independent Variable Other Things Equal Assumption ( Ceteris paribus )
5 200 150 100 50 0 Slope of a Straight Line Slope = Vertical Change Horizontal Change +50 +100 = .5 = = 1 2 50 100 150 200 50 100 Horizontal Change Vertical Change Direct or Inverse?

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6 50 40 30 20 10 0 Slope of a Line Slope = Vertical Change Horizontal Change -10 +4 = = 1 2 4 8 12 16 20 -10 4 Horizontal Change Vertical Change -2 Direct or Inverse?
Independent variables Infinite and Zero Slopes

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01TuckIntro_appenShow - Appendix 1 Math and Graph Skills...

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