A linear trend line reveals the sharp decrease in per person giving as churches grow towards 100 people.

If you plot a linear trend line on this logarithmic chart, you can see that the relationship between budget and attendance diverges significantly at the bottom of the scale. The trend line that best captures this relationship is a power curve that decreases the impact of new givers as churches grow. The sharpest decrease in the average trend line occurs as churches grow from 10 to 100 people.