Consider a finite population with five elements labeled ABCD

Consider a finite population with five elements labeled A,B,C,D,E. A. how many possible samples of size 2 can be selected. B. list all of the possible samples of size 2. C use excel\'s RAND function to assign random numbers to the five elements and list the sample of size 2 found using these random numbers

Solution

a) 5C2 = 10

b)

AB   ,    AC   , AD   , AE , BC , BD , BE , CD , CE , DE