Respuesta :
The required height of the green bar is 18. Option A is correct.
Number of sample = 50
Height of the green bar is = 9
What is Statistic?
The statistic is the study of mathematics which deal with relations between static data.
Here,
Percentage of green bar on vertical axis = 9/50 x 100
= 9 x 2
= 18%
Thus. the required height of the green bar is 18.
Learn more about Statistics here:
https://brainly.com/question/23091366
#SPJ2