itscheesycheedar
01.06.2021 •
Mathematics
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 class’s mean be?
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Ответ:
I think it’s 60%
Step-by-step explanation: to get from 5 to 8 you have to go up by three and 3 is 60% of 5 so I think this is right