Week beginning 11th October:

3.3 Variance and standard deviation

15th October, 2026

Test 1 topics covered:

1) Unit 1: Representation of graph

2) Unit 2: Mean, Median and Mode

3) Unit 3: Range, Inter- quartile range, box and whisker plot, variance and standard deviation

Why choose AS Statistics?:

Cambridge International AS & A Level Mathematics is accepted by universities and employers as proof of

mathematical knowledge and understanding. Successful candidates gain lifelong skills, including:

• a deeper understanding of mathematical principles

• the further development of mathematical skills including the use of applications of mathematics in the

   context of everyday situations and in other subjects that they may be studying

• the ability to analyse problems logically, recognising when and how a situation may be represented

   mathematically

• the use of mathematics as a means of communication

• a solid foundation for further study.

Assessment Dates:

Test 1:  15th October, 2026

Test 2: 12th November 2026

Class Expectations: 

1. Students are required to arrive in class on time.

2. Students should have their textbook ,workbook, copybook, calculator and pen every lesson.

3. Students should immediately start with the bell work as soon as they arrive in class.

4. All classwork and homework should be submitted on the dates instructed by the teacher.