Number of Payphones
The histogram shows the number of payphones that
were active by year in a large city. How many
payphones would you expect to be active between
1976 and 1980?
* over 200
between 150 and 200
between 50 and 100
fewer than 50
1981-1985
1986-1990
1991-1995
1996-2000
2001-2005
2006-2010
Date