The numbers of firearms discovered at TSA checkpoints at U.S. airports are shown in Table 23 for
Question:
Table 23
Numbers of Firearms Discovered at TSA Checkpoints
YearNumber of Firearms
2005 …………………………….. 660
2007 …………………………….. 803
2009 …………………………….. 976
2011 ……………………………..1320
2013 ……………………………..1813
2014 ……………………………..2212
Let y be the number of firearms that were discovered at TSA checkpoints in the year that is x years since 2005.
a. Construct a scatterplot by hand.
b. Graph the model = 618(1.144)x by hand on the scatterplot.
c. Describe the four characteristics of the association.
d. What is the coefficient a of the model = abx? What does it mean in this situation?
e. What is the base b of the model = abx? What does it mean in this situation?
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a b The model is shown in part a c The association is exp...View the full answer
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