Standard deviation of the sample mean

sigma/sqrt(N), reported with the decision that it never exceeds sigma (true for every N >= 1).

Usage

SdXbar(sigma, N)

Arguments

sigma

per-observation standard deviation, >= 0.

N

sample size, >= 1.

Value

list(sd_mean, sigma, bounded).

References

Morin, D. J. (2016). Probability: For the Enthusiastic Beginner. Createspace. Eq (3.93).

Examples

SdXbar(3, 9)$sd_mean
#> [1] 1