Roger Williamson

Revise for Statistics 1, 2nd Edition (Advancing Maths for AQA) (AQA Advancing Maths)

By Roger Williamson, Sam Boardman, Ted Graham

The stolen harvest

By Roger Williamson

Advancing Maths for AQA: Statistics 1 2nd Edition (S1)

By Roger Williamson, Gill Buque, Jim Miller, Chris Worth

Practical Exercises in Applied Statistics

By Charlton, Julie, Williamson, Roger, Julie Charlton, Roger Williamson