About this Quebec poll from Mainstreet Research
This Quebec poll was fielded by Mainstreet Research in July 2018, with a middle field date of July 27, 2018. The poll collected data from a total sample of n=1,320 Quebec respondents via IVR technology (automated calls).
The margin of error [moe] for this poll is estimated at ±2.7%, 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 (April 2018), the Coalition avenir Québec climbs two points from 30% to 32% (variation similar to moe), the Liberal Party remains stable at 30%, and the Parti Québécois is up one point (variation smaller than moe).
You can read more information on this poll here.