1. Voting
Pairwise Comparison

2. T. Serino
Pairwise Comparison

3. Pairwise Comparison Stay organized!
T. Serino
Stay organized!
Every candidate must face every other candidate head-to-head.

4. Pairwise Comparison A vs. B 2 2 1 2 B vs. C 2 2 1 2 1 2 B C C A 2 2 B
T. Serino
A vs. B 2 2 1 2
B vs. C 2 2 1 2 1 2 B C C A 2 2 B C C A + 2 + 2 A B A B + 2 + 1 A B A B 3 4 C A B C 4 3 C A B C
Candidate B wins this
match-up. (earns 1 point)
Candidate B wins this
match-up. (earns 1 point)
A vs. C 2 2 1 2
Point Totals:
A – 1 point
B – 2 points
C – 0 points
B wins!
After each head-to-head match-up, count the number of points for each candidate. (A win counts as 1 point, and a tie counts as ½ point.
In the next match-up, there will be an election between candidates B and C only.
(candidate A does not count in this match-up)
In the last match-up, there will be an election between candidates A and C only.
(candidate B does not count in this match-up)
In the first match-up, there will be an election between candidates A and B only.
(candidate C does not count in this match-up) 2 2 B C C A + 2 + 1 A B A B 4 3 C A B C
Candidate A wins this
match-up. (earns 1 point)

5. Pairwise Comparison
T. Serino
Candidate B matched up with each of the other candidates except candidate A; B already faced A in the previous column.
Candidate A matched up with each of the other candidates.
C vs. D is the
only matchup
left.

6. Pairwise Comparison 14 10 4 8 1 14 10 8 4 1 Point Totals:
T. Serino 14 10 4 8 1 14 10 8 4 1
Point Totals:
A – 0 B – 2 C – 3 D – 1
B wins 1 point
B wins 1 point 14 10 8 4 1 14 4 10 8 1 14 10 1 8 4 14 10 8 4 1
C wins 1 point
C wins 1 point
C wins 1 point
D wins 1 point

7. T. Serino
Pairwise Comparison

8. T. Serino
Pairwise Comparison

9. athematical M D
ecision
aking