Answer:
$0.84 I think is the answer
Answer:
c
Step-by-step explanation:
because it would have many solutions
Answer:
We need to know the other marbles in the bag and how many there are of each.
From the given data set, the get the IQR we rearrange the set in ascending order first.
11,12,14,14,16,16.5,18,18,20
the first quartile =14
The upper quartile=18
then
IQR=Q1-Q3
=18-14=4