EverydayElectricalPhysicsEngineeringFinanceConvertersStatistics

Standard Error Calculator

Find the standard error from standard deviation and sample size.

CALCULATE

--

Formulas

SE = σ / √n

Standard error decreases as sample size increases (by square root).

Standard Error

Measures precision of a sample mean estimate. To halve the SE, quadruple the sample size. SE of 15/√30 = 2.74. With n=120: SE = 1.37.

Ad (728x90)