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Confidence Interval for Standard Deviation Calculator

Enter values for the sample standard deviation, the sample size and the confidence. WARNING: The standard deviation should be a positive number. The sample size should be a positive integer bigger than one. The confidence percentage is usually between 1 and 100, and usually bigger than 75.
Navidi and Monk, Elementary Statistics, 2nd edition, McGraw Hill Education, 2016, and Mario F. Triola, Elementary Statistics Using The TI-83/84 Calculator, 3rd edition, Addison-Wesley 2011 were used as references in the creation of this applet.