1A.  Which of the following is NOT true about cluster random sampling? Choose below:  Sampling frame is the list of elements in the selected clusters. It is included in our sample all elements in the selected clusters. The clusters should ideally reflect the profile of the population. The population is divided into clusters and then take a sample of clusters. 1B.  Systematic sampling is convenient to use in Statistics EXCEPT: Choose below: The sampling procedure does not require a randomization mechanism. We do not need a frame in selecting the elements. It is easy to get the sample elements since we get every kth element. Transportation cost is low.

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