A normal adult brain oxidizes approximately 120 grams of glucose per day.13 Some researchers believe that the rate of metabolism is higher in adults whose job requires them to make many decisions...

A normal adult brain oxidizes approximately 120 grams of glucose per day.13 Some researchers believe that the rate of metabolism is higher in adults whose job requires them to make many decisions daily. A random sample of basketball referees was obtained, and the brain oxidation rate of each was measured. The data are given in the following table.