statistics
posted by BV .
given the group of numbers: 8,9,10,10,10,11,11,11,12,13. which of the following are the same?
a)range and mean,b)mode and median,
c)standard deviation and mode
d)mean and median, e)none

Have you calculated any of these to make a comparison? For example, range = 5, so you can eliminate A. Do the values form a normal distribution? If so, what do you know about a normal distribution?