A bar graph is a way to display and compare data using bars of different lengths. It is a visual representation of data that makes it easy to see and understand the comparisons between different categories or groups.

1. **Title:** The title of the bar graph describes what the graph is about.

2. **X-axis (Horizontal Axis):** The x-axis represents the categories or groups being compared.

3. **Y-axis (Vertical Axis):** The y-axis represents the scale or values being measured.

4. **Bars:** The bars represent the data for each category, with the length of the bar corresponding to the value of the data.

To create a bar graph, follow these steps:

1. Identify the categories or groups you want to compare.

2. Determine the scale for the y-axis based on the range of the data.

3. Draw the x-axis and label the categories.

4. Draw the y-axis and label the scale.

5. Draw bars for each category, making sure to use the scale to represent the data accurately.

6. Add a title to the graph.

When interpreting a bar graph, look for the following information:

1. Which category has the highest or lowest value?

2. Are there any patterns or trends in the data?

3. Are there any significant differences between the categories?

1. Create a bar graph to show the number of books read by each student in a class.

2. Interpret the following bar graph showing the sales of different fruits in a grocery store:

Bar graphs are an effective way to visually represent and compare data. By understanding the parts of a bar graph and how to create and interpret one, you can effectively communicate and analyze information in a visual format.

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DATA ANALYSIS

Interpret data displayed in a circle graph.