Means and Standard Deviations (SDs) for Exams.

Name: Means and Standard Deviations (SDs) for Exams.
Published: 2014-02-27T00:00:00+08:00

数据链接：

官方服务：

资源简介：

Note. N = 220, except GCSE based on 201 and A levels on 215. ‘Specials’ comprises Ophthalmology, Otolaryngology and Dermatology.

创建时间：

2014-02-27