Mathematics
9 Online
OpenStudy (theedwardsfamily):
Find the mean of this set of numbers.
5, –11, 7, 12, –1, 0
A.
–6
B.
–2
C.
2
D.
6
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OpenStudy (theedwardsfamily):
@texaschic101 !
myininaya (myininaya):
add up the numbers first
OpenStudy (theedwardsfamily):
@Michele_Laino
myininaya (myininaya):
take that sum and divide it by the number of numbers you have second
OpenStudy (theedwardsfamily):
is it 2?
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myininaya (myininaya):
i will check
what did you get for the sum of the numbers?
OpenStudy (anonymous):
The sum of the numbers is 12, then you would divide by 6, so ya 2
OpenStudy (theedwardsfamily):
i got 12
myininaya (myininaya):
great
and there are 6 numbers
myininaya (myininaya):
so 12/6=2
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OpenStudy (theedwardsfamily):
im right yay
myininaya (myininaya):
very good @TheEdwardsFamily
OpenStudy (theedwardsfamily):
now who should I give the medal to @myininaya or @mememe1 ?
OpenStudy (michele_laino):
please you have to perform this summation:
\[5+(-11)+7+12+(-1)+0= ...\]
OpenStudy (theedwardsfamily):
I did that and I worked it out and got 2
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OpenStudy (michele_laino):
ok! now divide your result by 6
OpenStudy (michele_laino):
wait, you should get 12 as sum
OpenStudy (michele_laino):
so 12/6=2
so C
is it clear, please?
OpenStudy (theedwardsfamily):
yea did that
OpenStudy (theedwardsfamily):
can you give me a medal please?
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OpenStudy (michele_laino):
ok!
OpenStudy (theedwardsfamily):
thanks