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ethan62211
07.06.2021 •
Mathematics
Match each number to the letters of its location on the number line
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Ответ:
Step-by-step explanation:
The variance is defined by
Where
is the mean and
is the total number of rings.
First, we find the mean
Then, we subtract the means with each element
Now, we elevate each difference to the square power
Then, we sum all these results
Now, we replace in the formula
Therefore, the variance of the data set is 1.28, approximately.