TY - JOUR AU - Shengping Yang PY - 2014/01/13 Y2 - 2024/03/29 TI - Hypothesis Tests for a Population Mean JF - The Southwest Respiratory and Critical Care Chronicles JA - The Chronicles VL - 2 IS - 5 SE - Statistics Column DO - UR - https://pulmonarychronicles.com/index.php/pulmonarychronicles/article/view/117 AB - ER -