Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test samples.
The following PROC SURVEYSELECT statements select a probability sample of customers from the Customers data set using simple random sampling. title1 'Customer Satisfaction Survey'; proc surveyselect ...
1. Distinguish between probability and non-probability sampling and discuss the advantages and disadvantages of each. If you can not specify the probability that any given individual will be in the ...