Minimum Wage NO
Minimum wage (dollars per hour)
ONUS
04
0 10 20 30 40 50 60 70 80
Years since 1940
The scatterplot above shows the federal-mandated
minimum wage every 10 years between 1940 and
2010. A line of best fit is shown, and its equation is
y = 0.096x -0.488. What does the line of best fit
predict about the increase in the minimum wage over
the 70-year period?
A) Each year between 1940 and 2010, the average
increase in minimum wage was 0.096 dollars.
B) Each year between 1940 and 2010, the average
increase in minimum wage was 0.49 dollars
C) Every 10 years between 1940 and 2010, the
average increase in minimum wage was
0.096 dollars
D) Every 10 years between 1940 and 2010, the
average increase in minimum wage was
0.488 dollars