The sub-sample problem

A dearth of Scottish polls leads to desperation.

Anthony B. Masters

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On social media, people often share survey research of vote intentions. On occasion, you may read estimates from Scotland that are not as they appear.

For example, the ‘UK Briefing’ account posted:

(Scotland) Westminster Voting Intention:
SNP: 37% (-11)
LAB: 25% (+5)
CON: 22% (+1)
LDEM: 10% (+6)
GREEN: 2% (-3)
Via [Redfield & Wilton Strategies], 22 Feb
Changes w/ 15 Feb.

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Anthony B. Masters

This blog looks at the use of statistics in Britain and beyond. It is written by RSS Statistical Ambassador and Chartered Statistician @anthonybmasters.