What is the standard deviation of 1, 2, 3, 4, and 5?
There are two ways to solve this, the graphing calculator way or the long way:
Graphing calculator way:
Plug the numbers into
Find the mean by adding all the values together and dividing by the number of elements there are:
Take all the values and subtract the mean from them. Then square all the values:
Find the mean of these values:
Square root this: