In Pennsylvania there were more teacher strikes in 2004 than there were in all other states combined. Because of the disruptions, state legislators want to pass a bill outlawing teacher strikes and submitting contract disputes to binding arbitration. The graph shows the number of teacher strikes in Pennsylvania for the school years 1997 to 2011. Use the graph to answer these questions.
a. In what year did the largest number of strikes occur? How many were there?
b. In what year did the smallest number of teacher strikes occur? How many were there?
c. In what year was the average duration of the strikes the longest? How long was it?
d. In what year was the average duration of the strikes the shortest? How long was it?
e. In what year was the number of teacher strikes the same as the average duration of the strikes?
f. Find the difference in the number of strikes for the school years 1997–1998 and 2010–2011.
g. Do you think teacher strikes should be outlawed? Justify your conclusions.

Transcribed Image Text:

Number 25 20 15 10 0 1997-1998 1998-1999 1999-2000 2000-2001 Teacher Strikes in Pennsylvania 2001-2002 2002-2003 2003-2004 2004-2005 School year 2005-2006 2006-2007 2007-2008 Number of strikes Average no. of days 2008-2009 2009-2010 2010-2011 X