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MMLU / A university sent out a survey to a random sample of 120 recent graduates to see…

Problem

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question

A university sent out a survey to a random sample of 120 recent graduates to see how those graduates feel about the education they received. Thirty-two of the graduates did not respond to the survey. Which of these would be the best way to proceed?

choices

  1. Use the 88 who did respond, using 88 as the sample size in the analysis.
  2. Use the 88 who did respond, using 120 as the sample size in the analysis.
  3. Attempt to contact the 32 who did not respond and get the information from them.
  4. Select 32 more graduates at random and use them to replace the nonresponders.

subject

high_school_statistics

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Source and history

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