About this Quebec poll from Mainstreet Research
This Quebec poll was fielded by Mainstreet Research in June 2019, with a middle field date of June 30, 2019. The poll collected data from a total sample of n=871 Quebec respondents via IVR technology (automated calls).
The margin of error [moe] for this poll is estimated at ±3.3%, 19 times out of 20 (for entire sample only) around the 50%-mark.
If we compare these national numbers with the previous poll from Mainstreet Research (March 2019), the Coalition avenir Québec climbs three points from 45% to 48% (variation similar to moe), the Liberal Party remains stable at 22%, and the Québec solidaire remains stable at 15%.
You can read more information on this poll here.