1. The range is your highest value minus your lowest value. In this example, that’s 16 - 1.
2. The IQR is the right end of your box value minus the left end of your box value. In this example, that’s 10 - 6.
3. The IQR also represents about 50% of your data. The line in the middle of that box is your median.
These are hints to help you get your answers. LMK if you need more help.