If S = {1, 2, 3, 4, 5, 6, 7}, how much less is the mean of the numbers in S than the median of the numbers in S?  Select the correct option:	A) 0	B) 1	C) 2	D) 3	E) 4
Mean = (1 + 2 +3 + 4 + 5 + 6 + 7)/7= 
<gadget id="calculator">(1 + 2 +3 + 4 + 5 + 6 + 7)/7</gadget>
<output>4</output>
4   Median= 4   Difference = 4-4= 
<gadget id="calculator">4-4</gadget>
<output>0</output>
0   Option 0
<result>A</result>
If S = {1, 2, 3, 4, 5, 6, 7}, how much less is the mean of the numbers in S than the median of the numbers in S?