Survey of the general public (7,4)

I believe the answer is:
opinion poll
(Other definitions for opinion poll that I've seen before include "Test of voting intention" , "Sounding" , "Test of voting intentions" , "Survey of public views" .)
I believe the answer is:
opinion poll
(Other definitions for opinion poll that I've seen before include "Test of voting intention" , "Sounding" , "Test of voting intentions" , "Survey of public views" .)