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Mathematics, 01.06.2021 21:10, lizdeleon248
A teacher records the test marks of 25 students and calculates the class mean to be 72. Jean-Pierre finds out that his mark of 86 was recorded incorrectly as 36. What will the corrected classâs mean be?
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Answers: 2
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A teacher records the test marks of 25 students and calculates the class mean to be 72. Jean-Pierre...
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