Answer:
a. IQR = 2.25
b. 40%
(I'm not sure about B.)
Step-by-step explanation:
a.=Q3 - Q1
=4.7 - 2.2
=2.5
b. =2/5 × 100/1
=40%
what are your questions?
12/13
36/39
Divide by 3
Answer: B is the answer