What is population standard deviation of their marks?

Question

Run scored by Murali, Shikhar, Rahul, Virat, Ajinkya, Hardik, Dinesh, Ashwin, Shami, Ishant and Umesh in 1st Test Match are: 26, 39, 17, 200, 17, 53, 20, 23, 2, 16 and 1 respectively.
What is population standard deviation of their marks?

Answer 1

53.25

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26,39,17,200,17,53,20,23,2,16,1
Total Numbers- 11
Sum- 414
Mean (Average)- 37.64
Population Standard Deviation- 53.25