What is the difference between primary data and secondary data? Between internal secondary data and external secondary data?
Answer to relevant QuestionsExplain what is meant by sampling error, response error, and non response error in survey research. Briefly, what kinds of information does the U.S. Department of Commerce provide in its Census of Population? In its Census of Housing? A pharmaceutical firm’s annual report states that company sales of over-the-counter medicines increased by 48.1%. a. To the firm itself, would this information be primary data or secondary data? b. To a competitor, what ...What is meant by periodicity, and how can this present a problem when taking a systematic sample? Provide an example of a systematic sampling situation where periodicity could be a factor. To collect information on how well it is serving its customers, a restaurant places questionnaire cards on the tables, with card deposit boxes located near the exit. a. Do you think that nonresponse error might influence the ...
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