Ines uses the Large Data Set to write a report. She claims that her conclusions apply to all cars registered in the United Kingdom.
Using your knowledge of the Large Data Set, give two reasons why Ines's claim is not justified.
244 exam-style questions on AQA A Level Maths 2.2 L: Data presentation and interpretation, covering 2.2.1 Single-variable data diagrams, 2.2.2 Scatter diagrams and correlation, 2.2.3 Central tendency, variation and standard deviation, 2.2.4 Outliers and cleaning data, and 2.2 L: Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.