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The average weight of 30 students is 2kg afterwards it was found out that one reading was wrongly written as 40kg instead of 46kg find the correct mean.
The average weight of 30 students is 2kg afterwards it was found out that one reading was wrongly written as 40kg instead of 46kg find the correct mean.
Answers & Comments
Answer:
2.2kgs
Step-by-step explanation:
2x30=60+(6 due to the misreading)
So=66 up on or divided by 30
=2.2kgs.