It can be enough but only if the sample is representative and I think often these are done by calling people on landline and the people who still have a landline and would be willing to take a survey are a very specific subset of our population so probably that sample is not representative but it’s not due to the sample size.
1,600 people were polled.
https://d3nkl3psvxxpe9.cloudfront.net/documents/econTabReport_qsNv5iE.pdf
that’s not enough to represent the country, and who knows what their methods are
It can be enough but only if the sample is representative and I think often these are done by calling people on landline and the people who still have a landline and would be willing to take a survey are a very specific subset of our population so probably that sample is not representative but it’s not due to the sample size.
YouGov has published a page about its polling methodology. Polling groups abandoned the random telephone survey decades ago, at this point.
that sample size is still way too small