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ayoismeisjuam
23.07.2019 •
Mathematics
Which of the following is an irrational number ? a) 2.8b)
c) 3/5d)![\sqrt{81}](/tex.php?f= \sqrt{81} )
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Ответ:
Standard deviation is a bit more difficult to describe. It is a statistic that can help measure how spread out the data gets.
Depending on the distribution, data within 1 standard deviation of the mean can be considered fairly common and expected. Essentially it tells you that data is not exceptionally high or exceptionally low.