About this Ontario poll from Corbett Communications
This Ontario poll was fielded by Corbett Communications in June 2019, with a middle field date of June 6, 2019. The poll collected data from a total sample of n=1,555 Ontario respondents via an online panel.
The margin of error [moe] for this poll is estimated at ±2.5%, 19 times out of 20 (for entire sample only) around the 50%-mark.
The regional breakdown of this poll was not made publicly available.
If we compare these national numbers with the previous poll from Corbett Communications (May 2019), the Ontario PC Party loses three points from 35% to 32%, the Ontario NDP climbs two points from 25% to 27% (variation similar to moe), and the Ontario Liberal Party is down one point (variation smaller than moe).
You can read more information on this poll here.