A data set has lower quartile 18, median 24, upper quartile 30, minimum 5 and maximum 55.
Calculate the outlier fences.
What can be concluded about the maximum, and why can the number of outliers not be determined from this summary alone?
8 exam-style questions on OCR (MEI) A Level Maths 2.2.1 Types of data and standard diagrams. Each one has a worked solution and a mark scheme showing where the marks go.