The Bicycle Helmet Safety Institute website includes a report on the number of bicycle fatalities per year in the United States. The table below shows the counts for the years 1994–2015.

a) What are the W’s for these data?
b) Display the data in a stem-and-leaf display.
c) Display the data in a timeplot.
d) What is apparent in the stem-and-leaf display that is hard to see in the time plot?
e) What is apparent in the time plot that is hard to see in the stem-and-leaf display?
f) Write a few sentences about bicycle fatalities in the United States.

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Year 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Bicycle Fatalities 802 833 765 814 760 754 693 732 665 629 727 784 769 699 716 628 616 675 726 743 726 811