The following table shows the median age of automobiles and trucks on the road for a certain country . Use linear regression to find the linear equation that is the best fit for the data , with x...

The following table shows the median age of automobiles and trucks on the road for a certain country . Use linear regression to find the linear equation that is the best fit for the data , with x equal to the number of years past 1980. Round your coefficients to two decimal places , if necessary. Year Median Age 1980 4.1 1985 5.5 1990 6.2 1995 7.3