Figure EX-1.22 is a graph that appeared in USA Today (June 29, 2009). This graph is meant
Question:
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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a Categorical b Since the variable being gra...View the full answer
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Related Book For
Statistics The Exploration & Analysis Of Data
ISBN: 9780840058010
7th Edition
Authors: Roxy Peck, Jay L. Devore
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