Standard Deviation
Know the exact margin of error (either higher or lower) of the base.
9 detected values
Desvio Padrão Amostral (s)27.3861
Formula
√[Σ(x - x̄)² / (n - 1)]
Step by Step
Variância: 750.0000
Desvio Padrão = √750.0000 = 27.3861
Margin of Reliability
Have you seen in the newspaper: \"The candidate has 40% of the voting intentions, with a margin of error of 2 percentage points more or less\"? This margin is calculated by the Standard Deviation! It brings the dispersion back to the same unit of measurement as the original data, indicating how far each sample \"fell\" in relation to the base.