According to the linear relationship you modeled in questions 18-19, how much does the slope of the linear relationship ([O2] / (contraction/min)) between the rate of contraction by the diaphragm and the [O2] in the blood change for each gram of drug administered? Round your answer to the nearest hundredth of a decimal place. For example, if you calculate the value as 3.821853, round to 3.82.

Slope =