Figure EX 1 22 is a graph that appeared in USA Today
Figure EX-1.22 is a graph that appeared in USA Today (June 29, 2009). This graph is meant to be a bar graph of responses to the question shown in the graph.
a. Is response to the question a categorical or numerical variable?
b. Explain why a bar chart rather than a dotplot was used to display the response data.
c. There must have been an error made in constructing this graph. How can you tell that the graph is not a correct representation of the response data?
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