strength of schedule (SOS)
strength of conference (SOC)
correlations can be seen between the differences in absolute score and delta(SOS), delta(SOC) and delta(SOS-SOC).
basically, when the teams are more evenly matched the difference between scores is small. when one crunches the numbers, NE is favored by 2.8±0.5 pts, that's why they'll will by 3. and why the Giants shouldn't even get on the bus, as their chances of winning are statistically quite small (and winning by a TD or more are virtually non-existent.)
follow the betting lines as the game draws closer
So you're saying the game is evenly matched enough for it to be a 3 point game, yet the Giants shouldn't even get on the bus for such a evenly matched close game, because they have no chance of winning??? is it evenly matched or not?
No idea how to get the SOC, but SOS is in NYG favor, 0.5195 vs 0.4492 and adjusted without their games is 0.5250 vs 0.4667
You say follow the betting lines, yet for the other NE SB they were favored by 12 when they lost by 3, and favored by 7 vs Eagles and Panthers, and the Rams were favored by 14.
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you must be quite naïve, my son
Go look at how much the betting lines have been correct, then you might see who's the naive one.