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OpenStudy (anonymous):
The mean of the data set is 11. What is the value of ?
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OpenStudy (anonymous):
question is incomplete :)
OpenStudy (anonymous):
it is a weird formula with a roman E
OpenStudy (anonymous):
Sum notation. You mean sigma?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
can you help?
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OpenStudy (anonymous):
You need to type the rest of the question
OpenStudy (anonymous):
6 - ∑(Xi - x) i=1
OpenStudy (anonymous):
find the deviation from the mean of each Xi, then add them all up
OpenStudy (anonymous):
say X1 = 6, then X1 - 6 = 6-6 = 0 X2 = 10, then X2 - 6 = 10-4 = 4 0 + 4 + (X3 - 6) +... + (X6 - 6)
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