Originally Posted by

**chungkayan** The manager of a restaurant has carried out a small-scale survey to find out how far customers travel to the restaurant. The results for a randomly selected sample of 8 customers were as follows (distances in miles):

12, 23, 14, 27, 14, 8, 19, 27

Estimate the standard deviation of the distances travelled by __all__ customers of this restaurant.

A. 50.86 miles

B. 7.13 miles

C. 44.5 miles

D. 6.67 miles

E. None of the above.

is it possible to work this out for me? as i tried doing this, and i got 7.32900305. i know its not a massive difference, but if i didn't look at answer, i could of chose none of the above, please help. thanks!