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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.

- 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

- 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.

- 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

- 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.