Proposal circulated to various lists by @rvguha,

• public-schemaorg
• Google doc version
• nearby: publishing-statistical-data, public-semstats lists.

Vocabulary

• new type: StatisticalPopulation
• new properties: populationType, numConstraints, constrainingProperties
• new type: Observation
• new properties: observedNode, measuredProperty, measuredValue, observationDate, marginOfError, measurementMethod

Related work

• See also extensive related reading list (RDF Data Cube etc), from @laurentlefort
• linked-sdmx