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  • 04-07-2018
  • Mathematics
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someone please help me with this problem ASAP
SERIOUS ANSWERS ONLY!!!!!!!!!!!

someone please help me with this problem ASAP SERIOUS ANSWERS ONLY class=

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mathmate
mathmate mathmate
  • 04-07-2018
The formula 
[tex]\bar{x}=\frac{1}{n}\sum_{j=1}^{n}x_j[/tex]
can be interpreted as
the mean of x is calculated as the sum of all n numbers from x1 to xn, divided by n.

Here we are given a list of nine numbers, so n=9 is the number of pieces of data required to calculate the mean.  So the value of n=nine, 
because the mean is calculated by the sum of nine numbers, and dividing the sum by 9.

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