A sample of data has a standard deviation of 10. If you were to divide all the scores in the data set by a factor of two (2) , what would the new

A sample of data has a standard deviation of 10. If you were to divide all the scores in the data set by a factor of two (2) , what would the new standard deviation be?

A. 10

B. 7.5

C. 5

D. 2.5

E. None of the above

I cannot figure out whether the standard deviation changes at all. If it is 10 or 5?