bias.
random
Modern scientific polling uses sampling to get accurate statistics on public opinion. The sample is of the public is taken to represent the opinion of the larger public. This has become a proven and accurate way of conducting polls from the public.
Yes, such numbers could be used to get a reasonable cross-section of opinion.
The five main steps in a scientific poll are:Defining the universeConstructing a samplePreparing valid questionsInterviewingAnalyze and report findings
random sample or probability sample
The larger the sample, the greater the accuracy, but in every case, the sample must be truly random.
Random sampling techniques.
Your question can not be answered as you give no "which is" to choose from.
an informal opinion - commonly used to test public opinions based on a random sample of the population
The answer is Random Sample
random sample is a big sample and convenience sample is small sample
"Polling" is simply the gathering of information from the public by means of randomly questioning a sample of people.