A research team examined whether the ingestion of licorice decreases the plasma concentration of magnesium. Twenty-three volunteers ingested a considerable amount of licorice and a significant change in magnesium, and bowel movement, was observed. Which of the following statements is most correct?
A. If licorice is ineffective, there is less than a 5 percent chance of obtaining the observed result.
B. Huh?
C. The researchers should have studied more volunteers.
D. It has been proven that licorice decreases magnesium. E. The observed bowel movement is so large that there is less than a 5 percent chance that licorice is ineffective.