Please answer this and show your solutions on paper. I will give you a very good feedback. on paper please :(

Instruction: Handwritten, copy and answer, show your complete and proper solutions, no late.2. The following are the percentages of ash content in 12 samples of coal found in close proximity: 4.6, 3, 10, 14, 16, 6, 7.5, 8, 9, 22, 11, 15, 16, 18, 20, 15, 17, 21, 23, 20 Find the sample standard deviation of these percentages and the P23