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  • 24-02-2024
  • Mathematics
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On a quiz with ten questions no part credit is given. Each student answered all ten questions. After grading, the instructor records for each student the number of questions the student got right and the number wrong. The average number of right answers is 5.7 with an SD of 2.0. What are the average and the SD of the number of WRONG an- swers?

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