# A-level Mathematics/Edexcel/Statistics 3

Statistics 3 (S3), is the third statistics module, and builds on the knowledge already acquired from earlier statistics modules.

Topics within Statistics 3 include:

-Chapter 1: Combinations of random variables

-Chapter 2: Sampling

-Chapter 3: Estimation, confidence intervals and tests

-Chapter 4: Goodness of fit and contingency tables

-Chapter 5: Regression and correlation

Students looking for additional past papers may find use from the International A Level Papers, and the Solomon Press A Level Papers.

Note: This book is so you can gain an alternative explanation for the concepts described and it should NOT replace your S3 book.