The plot below displays the on-base percentage for all Major League Baseball players who played in at least 15 games during the 2018 MLB season based on the player's position.
Positions: 1/2/3B = 1st/2nd/3rd base, C = catcher, C/L/RF = center/left/right field, DH = designated hitter, P = pitcher, SS = short stop
On-base percentage = (hits + walks + hit by pitch)/(total plate appearances)
-At least 50% of on-base percentages for the pitcher (P) are zero.

Question

The plot below displays the on-base percentage for all Major League Baseball players who played in at least 15 games during the 2018 MLB season based on the player's position.
Positions: 1/2/3B = 1st/2nd/3rd base, C = catcher, C/L/RF = center/left/right field, DH = designated hitter, P = pitcher, SS = short stop
On-base percentage = (hits + walks + hit by pitch)/(total plate appearances) 
-At least 50% of on-base percentages for the pitcher (P) are zero.

Quizplus · Accepted Answer

At least 50% of on-base percentages for the pitcher (P) are zero because a pitcher does not get an at-bat, so their on-base percentage is always zero.

The Plot Below Displays the On-Base Percentage for All Major