I'm not sure what I suppose to being doing, I don't understand it. I know it has something to do with the rectangle box above the number lines, but I'm having problems tbhnm

SOLUTION:
Step 1:
In this question, we are given the following:
Step 2:
The details of the solution are as follows:
Sample size: 12
Median: 66
Minimum: 60
Maximum: 70
First quartile: 63.5
Third quartile: 67.5
Interquartile Range: 4
Outliers: none