A lacrosse coach wants to know if the team they are about to play has a better goal count average than the team he coaches.He takes a sample of goals from the 8 games previously played from each team, and finds their total number of goals from each game. The table shows the data for each sample.

Home Team Away team

13 15

11 13

17 11

6 5

12 18

13 10

129

96

Find the sample mean for each team, and find the estimated difference of the mean goals of the each team.