Note that x and s2 correspond to the phase-averaged velocity and normal Reynolds stress for the present study.
Confidence interval for mean value
where tn is Student-t statistic and n = N-1.
Or,
where,
Statistical convergence error of mean value is defined as
Confidence interval for variance value is
where χn is chi-square statistic and n = N-1 is the degree of freedom.
Or,
where
Statistical convergence error of variance is defined as