Gina is playing dominoes with her family. She and her brother, Greg, are playing as a team (team A) against their parents (team B). The table shows how many points the two teams have scored in each round. Gina is keeping track of the scores and wants to know which measures of center and spread best represent each team’s data. Team A Team B

15 20

20 15

15 25

5 30

10 20

15 25

10 0

15 15

5 25

20 30

Part A

Look at the dot plot of team A’s scores. Based on the shape of data distribution, which is a more appropriate measure of center, mean or median? Explain your answer.