yes
There are many such methods: cluster sampling, stratified random sampling, simple random sampling.Their usefulness depends on the circumstances.
No.
Random sampling is picking a subject at random. Systematic sampling is using a pattern to pick subjects, I.e. picking every third person.
Quota sampling.
the sample is a representative crossection of the public
the sample is a representative cross-section of the public.
Random Sampling.
random
Random sampling techniques.
You are correct; convenience sampling is not random sampling.
It can be but it is not simple random sampling.
a
yes
Gallup Poll- Reputation for honestyStraw poll- informal poll Literary digest- committed sampling error
Simple!
Simple Random Sample Stratified Random Sampling Cluster Sampling Systematic Sampling Convenience Sampling