Answer:
7 pounds
Step-by-step explanation:
From the graph :
The data model:
X:
10
20
30
40
50
Y:
2
3
4
5
6
Using a linear regression calculator :
The equation of best fit for the data is :
y = 0.1x + 1
Weight loss for someone who attended 60 fitness classes :
Using the model:
y = 0.1x + 1
Where x = 60
y = 0.1(60) + 1
y = 6 + 1
y = 7
