Standard Deviation Calculator
www.calculator.net › standard-deviation-calculatorThe calculator above computes population standard deviation and sample standard deviation, as well as confidence interval approximations. Population Standard Deviation The population standard deviation, the standard definition of σ , is used when an entire population can be measured, and is the square root of the variance of a given data set.
Coronavirus Quarantine and Isolation Calculator
doh.sd.gov › COVID › CalculatorYou have been identified as a close contact: Quarantine Calculator. If you have had your COVID-19 booster vaccination OR completed the primary series of Pfizer or Moderna vaccine within the last 6 months OR completed the primary series of J&J vaccine within the last 2 months: Wear a mask around others for 10 days from your last exposure (day zero).