[Tex_GOP_Cruz]

The poll of 1,066 Texans who voted in at least one of the last two general elections was conducted May 7-13

Thus, the sample probably underrepresents Hispanic and black turnout.

[Coop]

The poll of 1,066 Texans who voted in at least one of the last two general elections was conducted May 7-13

Thus, the sample probably underrepresents Hispanic and black turnout.

Given that the last election was a Presidential one, I would doubt it.