Question 1181938
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Go to web-site

https://www.calculator.net/standard-deviation-calculator.html



Find an online (free of charge) calculator for the population standard deviation and for the sample standard deviation.



Input your numbers and get the result in seconds.



You will get the calculator there with the carefully and professionally written instructions,  explanations and formulas,

so you can learn the theory from there.



At the end,  do not forget to post your   "THANKS"   to me for this priceless instruction.