The total frequency is 3 + 8 + 5 + 2 = 18
The relative frequency of the green bar is
5/18 = 0.2778
Answer:
For the green bar, the relative frequency is 0.28 (2 dec. places)
The relative cumulative frequency of the red bar includes the frequency of the blue bar. It is
(5+8)/18 = 0.611
Answer:
The relative cumulative frequency of the red bar is 0.61 (2 dec. places)