I do or at least I have in the past. If the caller will answer my Google call screening, I’ll answer or call back.

There’s always been a issue of sample not matching population, and a variety of methods to correct for that. But, I will admit there is some limitations to that, and I don’t quite understand where the limitations are. (I love math, but I failed statistics once, and barely passed the second time. I prefer symbols and proofs and closed forms…)