Bar Graphs and Histograms

Bar Graphs and Histograms PowerPoint PPT Presentation


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Vocabulary. Bar Graph

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Bar Graphs and Histograms

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1. Bar Graphs and Histograms Section 2-7 Pages 85-89

2. Vocabulary Bar Graph – a method of comparing data by using solid bars to represent quantities Histogram – uses bars to represent the frequency of numerical data that have been organized in intervals Frequency Table – a table of organizing a set of data that shows the number of pieces of data that fall within given intervals or categories

3. Bar graph Use the data in the chart to create a bar graph.

4. Step 1: make a graph Draw a horizontal axis and a vertical axis. Label the axes “Animal” and “Speed (mph)” Add title.

5. Step 2: draw bars Draw a bar to represent each category.

6. histogram Use the data to create a histogram

7. Step 1: draw and label horizontal and vertical axis

8. Step 2: draw a bar to represent the frequency of each interval

9. homework PAGE 87-89 3-25

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