some surveys were done on the main entry way....
some surveys were done on the main entry way. of those surveyed, 219 were completed and returned. should the results of the survey be generalized to the population of all customers of the shopping mall?\na yes, because the sample size is large.\nb yes, because only people entering the mall were given the survey.\nc yes, because the sample was representative.\nd no, because a random sample from all customers of the shopping mall was not selected.\ne no, because not all customers were selected.
Answer
# Brief Explanations:
For survey results to be generalized, a random sample of the population is needed. Here only those entering the mall were surveyed, not a random sample of all customers.
# Answer:
D. No, because a random sample from all customers of the shopping mall was not selected