Emails per Day by Age
1)
40
Average Emails per Day
10
0
12
244
36
58
60
72
Age
a) Describe what the trend of the data points is telling you.
b) Use the line of best fit to estimate how many emails you would get at age 40. Is this
interpolation or extrapolation? How do you know?
c) How old are you if you are receiving 15 emails per day?
