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Sagot :
The mean number is 8.7 and the outliers 1 and 2 reduce the mean value
How to determine the mean number?
The dataset is given as:
10, 12, 8, 11, 13, 9, 2, 1, 9, and 12.
The mean number is calculated using:
Mean = Sum/Count
So, we have:
Mean = (10+ 12+ 8+ 11+ 13+ 9+ 2+ 1+ 9+12)/10
Evaluate
Mean = 8.7
Hence, the mean number is 8.7
The outlier and how it affects the mean
Outliers are relatively far from other data elements of the dataset
In the given dataset, 1 and 2 are far from other data element.
So, the outliers are 1 and 2
Because 1 and 2 smaller than other data elements, they affect the mean by reducing the mean value
Read more about outliers at:
https://brainly.com/question/3631910
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