Question: Missing Exam Grade A professor has recorded exam grades for 20 students in his class, but one of the grades is no longer readable. If

Missing Exam Grade A professor has recorded exam grades for 20 students in his class, but one of the grades is no longer readable. If the mean score on the exam was 80 and the mean of the 19 readable scores is 84, what is the value of the unreadable score?

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