quality:corruption, structural:scholar_edition
CLT under weak dependence

exists, and if σ ≠ 0 {\textstyle \sigma \neq 0} then S n σ n {\textstyle {\frac {S_{n}}{\sigma {\sqrt {n}}}}} converges in distribution to N (0, 1) {\textstyle {\mathcal {N}}(0,1)}.