Question 1206111
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Helpful calculator:
<a href="https://www.calculatorsoup.com/calculators/statistics/variance-calculator.php">https://www.calculatorsoup.com/calculators/statistics/variance-calculator.php</a>
Make sure the "sample" option is selected.
Feel free to explore other such calculators.
A spreadsheet is another good option.


This article talks about the sample variance on a TI84
<a href="https://www.statology.org/sample-variance-ti-84/">https://www.statology.org/sample-variance-ti-84/</a>
Apply the square root to the variance to get the standard deviation.


If you want to know what's going on under the hood, then check out this similar question
<a href="https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.1190757.html">https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.1190757.html</a>
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