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Understanding Graphs: from Numbers to Components

Explore the world of graphs, understanding numbers as nominal, ordinal, and cardinal. Discover different types of graphs like column, line, XY scatter, and pie, along with their components and uses in visualizing data.

preston-william
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Understanding Graphs: from Numbers to Components

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  1. Graphs Charlie Haffey Norwood Public Schools

  2. Numbers - Nominal • Used as a name, Identification. • Same as color, size or weight. • No quantity or rank. • jersey number 4 • zip code 02116

  3. Numbers - Ordinal • Rank or position. • No quantity. • 3rd fastest • 6th in line

  4. Numbers - Cardinal • "how many." • AKA as "counting numbers," • show quantity. • 8 puppies • 14 friends

  5. Graphs - Column • Vertical bar or rectangle represents value. • The taller the bar, the greater the value.

  6. Graphs - Components Title Y Axis Label X Axis Scale Y Axis Scale X Axis Label

  7. Graphs - Line • Changes in data over time, • Monthly temperature • Daily changes in stock prices.

  8. Graphs - Line

  9. Graphs – XY (Scatter) • Changes in data over time. • Large number of data points. • “Best fit” line. • Closer the data points to line the stronger the correlation.

  10. Graphs – XY (Scatter)

  11. Graphs – Pie • No horizontal and vertical axes. • Only one variable at a time. • Used to show percentages.

  12. Graphs – Pie

  13. Graphs • X-axis (horizontal) • independent variable • Y-axis (vertical) • dependent variable (The measured result)

  14. Graphs • Label the x and y axes. • Give units.

  15. Graphs • Graph fills available space. • Data fills graph.

  16. Graphs Charlie Haffey Norwood Public Schools

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