Question

1. The Bicycle Helmet Safety Institute website includes a report on the number of bicycle fatalities per year in the U.S. The table below shows the counts for the years 1994 201.2 Year Bicycle Fatalities 1994 802 1995 833 1996 765 1997 814 1998 760 1999 754 2000 693 2001 732 2002 665 2003 629 Year Bicycle Fatalities 2004 727 2005 784 2006 769 2007 699 2008 716 2009 628 2010 616 2011 675 2012 726 a) Is Year a quantitative variable? Why or why not? b) Display the data in a stem-and-leaf display. Use a ruler and write/type neatly c) Display the data in a timeplot d) What is apparent in the stem-and-leaf plot that is hard to see in the timeplot? e) What is apparent in the timeplot that is hard to see in the stem-and-leaf display? Be specific about what you can learn in each type of display

Answer 1