Let's say I've made 10 MLB Moneyline bets over the last few days. The lines were as follows:
1. -118
2. +148
3. +122
4. -166
5. -143
6. +105
7. +142
8. -120
9. +115
10. +137
If I wanted to know what the average of these lines were how would I figure it out? Any help is appreciated.