The Probability That a Measurement Falls within a Range of 𝑛 Standard Deviations from an Estimate of the Mean

Figure 1

A plot of the equation 𝑃(𝑥−𝑛𝜎≤𝑥≤𝑥+𝑛𝜎)=erf(𝑛/√2√2^1/𝑁) for four different values of 𝑁.