Find the mean of this set of numbers.
7, –9, 6, –10, –13, –5
A.
–4
B.
4
C.
–24
D.
7.7
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OpenStudy (anonymous):
@SolomonZelman
OpenStudy (anonymous):
hi could you help?
OpenStudy (solomonzelman):
Yes, the mean is the \(\normalsize\color{blueviolet}{ \rm average }\).
OpenStudy (solomonzelman):
To find the mean, add all number together, and divide by `the number/amount of numbers` in the set:
OpenStudy (anonymous):
so would it be D.?
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OpenStudy (solomonzelman):
D would be the sum of all the numbers. (like when you add all of them together)
OpenStudy (solomonzelman):
The mean/ the average:
is the average number: it is: \(\LARGE\color{blue}{ \frac{\LARGE \rm sum~~of~~all~~numbers}{\LARGE \rm number~~of~~all~~numbers} }\)
OpenStudy (solomonzelman):
in this case it is: \(\LARGE\color{blue}{ \frac{\LARGE \rm (7) +(-9)+( 6)+(-10)+( -13)+(-5)}{\LARGE \rm6} }\)
OpenStudy (anonymous):
ok i will do that then tell u my answer
OpenStudy (solomonzelman):
sure
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