Explain the importance of random sampling. What problems/limitations could prevent a truly random samplingand how can such problems be avoided?
Explain the importance of random sampling
Answer: random sample is very important because when we select samples from the population, we must make sure that the samples can be defended as statistically representative of the population. Otherwise, the result is not valid.
What problems/limitations could prevent a …
This solution highlights some of the difficulties in taking a proper random sample and explains how stratified sampling can produce a representative study when random sampling not possible.