Homework Progress 17/32 Marks
The time series graph shows information about the percentages of people in a
town that used the coffee shop for the years between 1980 and 2010.
80
70
a) Describe the trend in the
percentage of the people in
the town who used the
coffee shop for this period.
60
Percentage
50
40
30
b) Use the graph to predict the
percentage of the people in
the town likely to use the
coffee shop in the year 2020.
20
10
0
1980 1990 2000 2010 2020
Year