Math, asked by prakruthipriya97011, 4 months ago

the mean of 20 observations is 12.5 one observations was wrongly noted -15 instead of 15 find the correct mean

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Answered by Simrankaur1025

Answer:

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

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the mean of 20 observations is 12.5 one observations was wrongly noted -15 instead of 15 find the correct mean​

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the mean of 20 observations is 12.5 one observations was wrongly noted -15 instead of 15 find the correct mean