3. The mean of 10 numbers is 30. lf 6 is subtracted from every number, what will be the new mean?
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Answer:
New Mean = 24
Step-by-step explanation:
The property of arithmetic mean states that when a number is subtracted from all the observations, then the new mean will also get subtracted by the same number.
∴ New Mean = 30-6
= 24
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