The table shows the mortgage interest rates, y, at a local bank for the years 2000 through 2008.
Year since 2000, x
Rate (%), y
0 1 2 3 4 5 6 7 8
7.6 6.8 6.2 6.0 5.2 5.8 6.1 5.9 5.5
Answer Attempt 1 out of 6
Round the slope and y-intercept to the nearest hundredth. The line of best fit is
The correlation coefficient, rounded to the nearest hundredth, is
which means that
there is a
correlation.
