Answer:
Step-by-step explanation:
IQR is the difference between Q3 and Q1
<u>According to the top box plot:</u>
<u>The IQR is:</u>
solution
x=8
so,
18 .8 +75
144 +75
219
21n
1. triple n = 3(n)
3n
3. multiply 7 = 7(3n) = 21n