About: sample survey

Premodifier: sample
Head noun: survey

Same concepts
http://dbpedia.org/resource/Sampling_(statistics)

Broader concepts

label	provenance	confidence
study	isap:112938653	0.450348
method	isap:391054247	0.406931
means	isap:116799665	0.387953
point	isap:119550311	0.180349

Narrower concepts

label	provenance	confidence
gss	isap:212623531	0.281640