The exam material for Statistics 1 aka S1 new syllabus ( WST01 ) has started in January 2014 .It was named 6677 from 2005 until 2013 Since 2013, Edexcel Board has separated the exams into: IAL (International Advanced A Level) and GCE. GCE exams are performed only inside England, whereas IAL exam is done worldwide. GCE exams are done only In June sessions ( Once per Year ) After 2014, the IAL version of this exam was named M1 WME01/01 Classified Pastpapers are made according to the New Syllabus & Official Book Available for Old sylabus Questions in 2 sets : 2010-2014 2015-2019 As we believe recent years 2020 and above are best to he solved in Unclassified Mode to practice random questions with Exam Timing . We advise students to solve as many questions as they can , because knowledge without practice is useless .