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pnwmom

(110,227 posts)
14. It was crap reporting.
Mon Dec 22, 2014, 05:46 AM
Dec 2014

Every poll should be reported with details about sample size and margin of error -- at the very least. If the writer had paid attention to those details, she would have not drawn the conclusion that Hillary's support had recently dropped.There is no statistical difference between her 63% last month and her 61% this month; the 2 percent difference is well within the poll's 6 point margin of error for registered leaned Democrats.

This is from the original ABC news account, not the over-hyped and under-reasoned Huffington post story:

METHODOLOGY – This ABC News/Washington Post poll was conducted by landline and cellular telephone interviews Dec. 11-14, 2014, among a random national sample of 1,000 adults, including 346 Democrats and Democratic-leaning independents who reported being registered to vote. Results have a 3.5-point error margin overall, and 6.0 points for registered leaned Democrats. Sampling, data collection and tabulation by Abt-SRBI of New York.

http://www.langerresearch.com/uploads/1165a5DemocraticPrimaryPreference.pdf

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