The mean of 30 numbers is 18. What will be the new mean, if each observation is
increased by 2....
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 14.12.2020 09:00, carswellml
The mean of 30 numbers is 18. What will be the new mean, if each observation is
increased by 2.
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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