A field was divided into 12 plots of equal area. Each plot was fertilised with a different amount of fertilizer (h). The yield of grain (g) was measured for each plot. Find the equation of the regression line of g on h in the form ga+bh given the following summary data. h-22.09 g-49.7 -45.04 -244.83 kg-97.778 -12 AppendixLO1