How to Make a Frequency Table and Bar Graph

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Tutorial on how to make a frequency table and bar graph.

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How to Make a Frequency Table and Bar Graph

  1. 1. How to Make a Frequency Table and Bar Graph <br />By: Amanda Craft and<br />Betsy Lawson<br />
  2. 2. Frequency Table<br />The frequency of a data value is equal to the number of times that the value occurs<br />A Frequency Table arranges data values in order from least to greatest with their corresponding frequency<br />
  3. 3. Example<br />If given this data<br />The Frequency table would look like this<br />Student survey<br />
  4. 4. Bar Graphs<br />Definition: A Graph consisting of vertical or horizontal bars that proportionally represent a set of data<br />Use: to compare and display data<br />Vertical <br />Horizontal<br />
  5. 5. Labeling<br />Make a title for your graph<br />Label each axis<br />Determine a scale for the X and Yaxis<br />Favorite Foods<br />Y<br />Frequency<br />x<br />Types of Food<br />
  6. 6. Labeling the Y-axis: Because the frequency of the data is between 0 and 8, a good scale for this graph would be 0-8<br />Labeling the X-axis: use each option as a category <br />Favorite Foods<br />Y<br />8<br />7<br />6<br />5<br />4<br />3<br />2<br />1<br />0<br />Frequency<br />x<br />Pizza<br />Cake<br />Potato<br />Chips<br />Cheese<br />Burger<br />Cookies<br />Ice Cream<br />Types of Food<br />
  7. 7. Drawing the Bars<br />Draw a bar for each category proportional to its frequency (EX: Pizza has a frequency of 7, so we draw a bar starting at 0 and ending at 7<br />Favorite Foods<br />Y<br />8<br />7<br />6<br />5<br />4<br />3<br />2<br />1<br />0<br />Frequency<br />x<br />Pizza<br />Cake<br />Potato<br />Chips<br />Cheese<br />Burger<br />Cookies<br />IceCream<br />Types of Food<br />
  8. 8. Frequency<br />Types of Food<br />Finished Graph and Frequency Table<br />

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