I'm unable to see images or bar graphs since I can't view visual content. However, I can provide guidance on how to choose the right bar graph to compare the students' speeds.
To effectively compare the students' speeds, the bar graph should:
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Have labeled axes: The x-axis should represent the students (Jeremy, Isaiah, Jonah, and Alexis), and the y-axis should represent speed in miles per hour.
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Use appropriate scales: The scale on the y-axis should accommodate the fastest runner (16 miles per hour for Alexis) to clearly show the differences between the speeds.
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Show distinct bars: Each student should have a separate bar, allowing easy visual comparison of their speeds.
Look for a bar graph that meets these criteria, and that will be the one the teacher should use to compare the students' speeds. If you'd like to describe the options available, I can help you determine which one fits best!