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OpenStudy (anonymous):
What is the variance of the following data? If necessary, round your answer to two decimal places. 12, 13, 8, 13, 9, 11, 12, 9, 11
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OpenStudy (anonymous):
ick
OpenStudy (anonymous):
you need a calculator anyway, so you might as well cheat, unless of course you have to do this on a test, but the calculation is a pain http://www.wolframalpha.com/input/?i=variance+12%2C+13%2C+8%2C+13%2C+9%2C+11%2C+12%2C+9%2C+11
OpenStudy (anonymous):
result is 31.11
OpenStudy (anonymous):
http://answers.yahoo.com/question/index?qid=20100705151247AAqsj97 see the 5th question
OpenStudy (anonymous):
none of those answers are given, i have these to choose from: 2.99 3.00 3.01 3.02
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