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- anonymous

Brendan selected 10 sixth-year students in his school at random and asked each person how many years the person had lived at his or her current address. He recorded the results.
3, 8, 12, 9, 12, 8, 12, 4, 6, 12
What is the estimated mean number of years that a sixth-year student had lived at his or her current address?
A.
8.5 years
B.
8.6 years
C.
9 years
D.
12 years

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- anonymous

- jamiebookeater

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- anonymous

d

- anonymous

no its b hun
The mean is the sum of all the results divided by the number of items in the list
So add up all of the numbers in your list and then divide by the number of numbers in the list

- anonymous

mh okay

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- anonymous

Finding the mean is also finding the average.
To find the mean, you need to add up all the results
3 + 8 + 12 + 8 + 12 + 4 + 6 + 12 = 86
Now divide 86 by the total results which is 10.
86 / 10 = 8.6
8.6 is your answer

- anonymous

thank you %_%

- anonymous

lololol i know the feels

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