mqr.inference.

stddev

Functions

confint_1sample(x[, conf, bounded, method])	Confidence interval for the standard deviation of a sample.
confint_2sample(x, y[, conf, bounded, method])	Confidence interval for the ratio of standard deviations of two samples.
size_1sample(std_ratio, alpha, beta[, ...])	Calculate sample size for test of standard deviation of a sample.
size_2sample(std_ratio, alpha, beta[, ...])	Calculate sample size for test of ratio of standard deviations.
test_1sample(x, H0_std[, alternative])	Hypothesis test for the varianve of a sample.
test_2sample(x, y[, alternative])	Hypothesis test for the ratio of variances of two samples.