Salina is having a surprise party for her friend Ernie. The table shows how many balloons
she has been able to blow up by the end of each 10 minute segment
Time (min)
10
20
30
40
50
Balloons
312151621
Number of Balloons
a.
Construct a scatter plot of the data. Then
draw and assess a line that seems to best
represent the data.
b.
0
Use the line of best fit to make a coniecture
about the number of balloons she will have
blown up at the end of 70 minutes.
10 20 30 40 50 60 70 80 90
Time (min)