Which of the Following Would Be the Strongest Evidence for or Against

Multiple Choice

Which of the following would be the strongest evidence for or against the necklace's effectiveness?

A) A pie chart comparing the percentage of players who do or do not wear the necklace
B) A scatter plot showing days on the disabled list and percentage of players who do or do not wear the necklace
C) A histogram illustrating the satisfaction levels of the players who wear the necklace
D) A bar graph comparing batting averages of the players who wear the official titanium necklace and those who were unknowingly wearing a fake titanium necklace