Standard Diviation

[ask]

I have a set of data for student's score for 2 years. i will get the standardard deviation of list of student on picked day. how to do that?  Output will look like this. 

Name	Score	Standard deviation
Name 1	768
Name 2	273
Name 3	190
Name 4	96
Name 5	94
Name 6	96
Name 7	98
Name 8	98
Name 9	96
Name 10	86