Dem Senate candidates have lost a little less than 0.5 pts of vote margin over last 2 weeks, while the generic ballot has trended up for them by about 1 point. Overall state of the race is unchanged: Dems have leads well below size of normal poll error fiftyplusone.news/forecast/sen...
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fiftyplusone.newshttps://fiftyplusone.news/forecast/senate
Sample size is the smaller problem. A clean random sample of 600 lands within about 4 points of the truth 95% of the time. The hard part is that the people who pick up aren't random, and no sample size fixes that. That's the error a forecast has to leave room for.
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