How many ways are there to split a group of 4 students into two groups of 2 students each? (The order of the groups does not matter)  Select the correct option:
A) 2	B) 3	C) 4	D) 5	E) 6
4C2 = 6   If we consider these groups, each group will be counted twice.   The number of ways to choose 2 groups of 2 is  6/2= 
<gadget id="calculator"> 6/2</gadget>
<output>3</output>
3   The answer is 3.
<result>B</result>
How many ways are there to split a group of 4 students into two groups of 2 students each? (The order of the groups does not matter)