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PROFESSOR CALLEN
mathunit3.docxDuring this unit, you will learn about many different types of graphs, which graphs are most appropriate for specific data, and when graphs are misleading. For instance, a graph can misrepresent the data if it does not provide a proper representation of the data, which can be caused by the vertical scale being too small or too large, or by not starting at 0. Additionally, if a graph does not have the proper labels or if data are left out, this can also result in a graph that does not properly represent the data.
1. What story does this visual display (graph) below tell? Describe the variables that are being compared. (Hint: There are three). Do you think that this is an accurate and fair description of the data? Is this graph clear or misleading? Why?
Source: https://www.bls.gov/emp/ep_chart_001.htm
2. What story does the Pie Graph below tell? Describe what these data are representing. Do you think that this is an accurate and fair description of these data? Is this graph easy to understand? Name at least three things wrong with this graph and how you might correct them?
Source: http://blog.jgc.org/2009/08/please-dont-use-pie-charts.html
Please create personalized and substantive responses to at least two other student main posts. In your response, include the following:
1. Review the student’s explanation of both graphs. Create a paragraph that compares the similarities and differences between their view and your view.
2. Review the student’s description of the variables described in the first bar graph above. What variables did the student note? Did you find the same variables? There are three variables in the graph, list all three and note whether or not you and the student found them all.
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