Sampling is used because:, It is always accurate, It is cheaper and faster than studying the whole population, It avoids data analysis, In probability sampling, each member of the population:, Has no chance of selection, Is selected based on convenience, Has an equal or known chance of selection, Which of the following is a probability sampling method?, Snowball sampling, Convenience sampling, Stratified sampling, A sampling frame is:, A list of all population elements, A sampling technique, A research hypothesis, Dividing a population into groups (e.g., gender) and sampling from each group is:, Cluster sampling, Stratified sampling, Convenience sampling, Quota sampling is similar to stratified sampling BUT:, It uses random selection, It does not divide into groups, It does not use random selection, Snowball sampling is most suitable for:, Hidden or hard-to-reach populations, Large populations, Random selection, In systematic sampling, if a supermarket has a population size of N=5000 and wants a sample size of n=500, what is the sampling interval k?, 0.1, 10, 50.

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