Question

A histogram titled Number of payphones has date on the x-axis and payphones on the y-axis. From 1981 to 1985 there were 160 payphones, 1986 to 1990: 190, 1991 to 1995: 200, 1996 to 2000: 210, 2001 to 2005: 55, 2006 to 2010: 45.
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 1986 and 1990?
over 200
between 150 and 200
between 50 and 100
fewer than 50

Answer 1

From the information given in the histogram, between 1986 and 1990, there were 190 payphones active.

So the expected number of active payphones between 1986 and 1990 is:

**Between 150 and 200.**