Pls Help asap

Directions: Find the range and IQR for the following data sets.
1. {6, 12, 8, 15, 9, 7} 2. {2, 12, 52, 33, 8, 14}



Q1___________

Q3___________


IQR (Q3-Q1)= ___________

3. {3, 9, 11, 8, 6, 12, 5, 4}