The table below shows the average annual salary increase, s, for an employee of a manufacturing company after 7 years of service.
Years of Service, n Average Salary Increase, s
2
$612
5
$812
12
$1,364
18
$1,677
25
$3,228
The equation below represents the line of best fit fur the data in the table.
s=105.2n+259.8
About how many years of service would be expected for an employee who receives a salary increase of $2,478 ?
Years of service: