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Types of graphs

# Types of graphs

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## Types of graphs

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1. Types of graphs

2. Graphs are pictures that help us understand amounts. These amounts are called data. There are many kinds of graphs, each having special parts.

3. circle • A circle graph is shaped like a circle. It is divided into fractions that look like pieces of pie, so sometimes a circle graph is called a pie graph. Many times the fractional parts are different colors and a key explains the colors.

4. Bar graph • A bar graph uses bars to show data. The bars can be vertical (up and down), or horizontal (across). The data can be in words or numbers.

5. Picture graph • A picture graph uses pictures or symbols to show data. One picture often stands for more than one vote so a key is necessary to understand the symbols.

6. historgram • A histogram is a special kind of bar graph. The data must be shown as numbers in order.

7. Line graph • A line graph shows points plotted on a graph. The points are then connected to form a line.

8. Frequency table • A frequency table shows the number of times a list of items occur, with the use of tally marks.

9. Stem and leaf plot • The "stem" is the left-hand column which contains the tens digits. The "leaves" are the lists in the right-hand column, showing all the ones digits for each of the tens, twenties, thirties, and forties. As you can see, the original values can still be determined; you can tell, from that bottom leaf, that the three values in the forties were 40, 40, and 41.

10. Scatter plot • A scatter plot displays two related sets of data that are measured or counted

11. DONE! • The End!