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.
Peehole
joined 2 days ago
Wait till you learn about the powerbottom 10%
Cool, in my country they still do that unfortunately.