The mean of 20 observations is 12.if each observation is increased by 5, then find the mean
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The mean of 20 observations is 12.if each observation is increased by 5, and then the new mean is 17.
The mean is an average of numbers. In fact, it is very easy to calculate.
In this process, you can add the numbers and also divide by the number of numbers. By following the procedure, you can find the new mean value.
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