22. Suppose that the first researcher conducted his survey by randomly choosing one state in the nation and then randomly picking 40 patients from that state. What sampling method would that researcher have used? 23. Suppose that the second researcher conducted his survey by choosing 40 patients he knew. What sampling method would that researcher have used? What concerns would you have about this data set, based upon the data collection method?
17. Determine what the key term data refers to in the above example for Researcher A. 18. List two reasons why the data may differ. 19. Can you tell if one researcher is correct and the other one is incorrect? Why? 20. Would you expect the data to be identical? Why or why not? 21. Suggest at least two methods the researchers might use to gather random data. 22. Suppose that the first researcher conducted his survey by randomly choosing one state in the nation and then randomly picking 40 patients from that state. What sampling method would that researcher have used? 23. Suppose that the second researcher conducted his survey by choosing 40 patients he knew. What sampling method would that researcher have used? What concerns would you have about this data set, based upon the data collection method?
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