For the set { 3, 3, 4, 4, 5, 5, x}, which of the following values of x will most increase the standard deviation? Select:
A) (-3)^2	B) 2	C) 3	D) 4	E) 5
Standard Deviation Step 1, as pointed out by others, is to find out the mean = 4   Step 2, For each number: subtract the Mean and square the result =   (1-4)^2=(-3)^2   (2-4)^2=(-2)^2   (3-4)^2 =(-1)^2   (4-4)^2=(.0)^2   (5-4)^2=(1)^2   Clearly (1-4)^2=(-3)^2 will give you the greatest value among all the other options.   Hence (-3)^2
<result>A</result>
For the set { 3, 3, 4, 4, 5, 5, x}, which of the following values of x will most increase the standard deviation?