Mathematics and Statistics in Biology, Psychology and Chemistry' comes as the third in the series, following in the footsteps of 'Easy as You Go!" and 'A-Star Question Bank. It fills the vacuum which exists, being caused by the apparent difficulty in professional Biologist, Psychologist and Chemist to effectively teach the necessary Mathematics for their students to pass examinations. Much of the mathematics and statistics for students' studies is admittedly complex, and often it is laid out in course books in a confusing manner. With the exception of Physicists, scientists can be excused in not being as effective as their counterparts in the Mathematics arena. Considerable effort has therefore been exercised in an attempt to address this situation. In Biology and Psychology sections, tables have been used to simplify many of the otherwise daunting procedures. In Chemistry a 'step-by-step' approach as been adopted.