the president of a small company needs to collect data on the educational background of all 20 of the companys employees. which of the following is the best method to use for data collection??

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The president of a small company needs to collect data on the educational background of all 20 of the company’s employees. Which of the following is the best method to use for data collection? A) census B) A cluster sample C) A simple random sample D) A stratified sample E) A systematic random sample