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Notes Graphs. A graph is just a picture of an amount of something. Like size of buildings since 1900. Types of graphs. Circle or pie graph. Shows fractions of a whole. Bar graph uses bars to show the data (words or numbers).

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Notes Graphs

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Notes Graphs


  • A graph is just a picture of an amount of something. Like size of buildings since 1900.

Types of graphs


  • Circle or pie graph. Shows fractions of a whole.


  • Bar graph uses bars to show the data (words or numbers).


  • Histogram used to show pure numbers in order. Range of data can be shown, bars should be touching.


  • Line graph, shows points plotted on a graph connected by a line. Any type of data.


  • On a typical graph there are 2 axis.

    • an X and a Y.


  • Your independent variable goes on X axis ( it is almost always time)

  • Your dependent variable goes on Y axis


  • Your X and Y axis scale can be different

    • but the spacing between the numbers should be the same on an axis.

  • Graphs should have title, and descriptions on both X and Y axis.


  • In other words your graph should TALK

  • T title

  • A axis evenly spaced

  • L label both axis and title

  • K key or legend if needed


  • Two very important terms when working with graphs.

  • Interpolation and Extrapolation

Vocabulary


  • Interpolation – is when you find a value that lies on the smooth curve or line between two actual data points.


  • Extrapolation – Find a value that lies on the smooth curve or line beyond the actual plotted points.


  • A graph is just a ______________ ____________ of something. Like size of buildings since 1900.

Types of graphs


  • Circle or pie graph. Shows ___________ of a whole.


  • Bar graph uses bars to show the __________ (words or numbers).


  • Histogram used to show _________ __________. Range of data can be shown, bars should be touching.


  • _____________, shows points plotted on a graph connected by a line. Any type of data.


  • On a typical graph there are 2 axis.

    • an ______________.


  • Your ____________ variable goes on X axis ( it is almost always time)

  • Your ____________ variable goes on Y axis


  • Your X and Y axis scale can be different

    • but the spacing between the numbers should be the same on an axis.

  • Graphs should have __________

    _____________on both X and Y axis.


  • In other words your graph should TALK

  • T _________

  • A ______________________

  • L ______________________

  • K______________________


  • Two very important terms when working with graphs.

  • Interpolation and Extrapolation

Vocabulary


  • Interpolation – is when you find a value that lies on the smooth curve or line between two actual data points.


  • Extrapolation – Find a value that lies on the smooth curve or line beyond the actual plotted points.


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