Find Standard Deviation for ungrouped Data

Find Standard deviation of the following observations. 1. 85,96,76,108,85,80,100,85,70,95 2. 3,13,11,11,5,4,2 3. 3,23,13,11,15,3,5,4,2 4. 69,66,67,69,64,63,65,68,72 5. 4,14,12,16,6,3,1,2,3 6. 73,70,71,73,68,67,69,72,76,71 7. 10,50,30,20,10,20,70,30