[Anitius Severinus Boethius]

Looks like an odd statistical anomoly rather than a real bounce there. A very rare two day outlier would cause a spike like that, not a bounce from a speech.

[Norman Bates]

“Looks like an odd statistical anomoly rather than a real bounce there”

No, there was definitely a bounce. There was a noticeable movement outside the margin of error that corresponded to a major Obama speech.