WJEC Statistics 1 Qs from 2005-2015

All questions from the WJEC Statistics 1 papers between 2005 and 2015 have now been added and are on the following pages:

Discrete Random Variables page added

Questions from WJEC Statistics 1 have been added to the Discrete Random Variables page.

WJEC C3 Integration Questions Added

All WJEC C3 Integration Questions from 2005-2015 have been added to the Integration page.

WJEC C3 Differentiation Questions 2005-2015 added

All differentiation questions from WJEC C3 and C4 between 2005 and 2015 have been uploaded to the Differentiation page.