Boris
2008-10-29 11:21:08
“BORIS: If you look at the main stream media polls, they are oversampling Democrats.”
This sometimes happens with random sampling. But they sometimes oversample Republicans too. Some firms weight their samples to account for any sampling bias. Rasmussen, for example, does this–and adjusts the weighting every month based on six weeks of polling party affiliation.
This just isn’t an issue.
