If Tuesday was a +7 day for Obama and Rasmussen has Obama up +5 then the other two days must total +8 don’t they? If so, then the +7 point day dropping off may not make too much of a difference to the overall rolling average (it may drop O’s lead to +3).
For example:
Tue: O +7
Wed: O +4?
Thur: O +4?
Avg: O +5
Assume that once tuesday drops off it is replaced by an Obama +1 then the rolling average would be O +3. Where am I wrong?
Just to help a touch. The samples are roughly:
WED: O+10
THU: O+6
FRI: M+1
The sample that dropped off today was M+5, roughly.