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OpenStudy (anonymous):
What is the variance of this data to the nearest one hundredth? 10 12, 8, 2
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OpenStudy (amistre64):
we went thru this yesterday http://openstudy.com/users/faded911#/updates/51b9f5eae4b0012787fa952f
OpenStudy (amistre64):
standard deviation is the square root of variance
OpenStudy (anonymous):
Yea and the answer was wrong
OpenStudy (amistre64):
then you did not provide all the information, or it was entered incorrectly
OpenStudy (amistre64):
http://www.wolframalpha.com/input/?i=variance+%5B10+12+8+2%5D&a=*C.variance-_*PopulationVariance-
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OpenStudy (amistre64):
since you did not provide an indication as to whether or not its a population, or a sample of a population. then the steps for population were assumed. but that was also addressed yesterday
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