Statistics 1: Measures of Spread and Location

A free measures of spread and location worksheet for A-Level and International A-Level Maths, covering the measures of spread and location content of Statistics 1. It works through mean, median and mode (including grouped data), quartiles and percentiles (including interpolation), variance and standard deviation, coding, and combining and changing data sets. Each worksheet opens with worked examples and matching Your turn questions, then moves through fluency, reasoning, problem solving and exam-style practice, with Core and Stretch questions in every section, so you build the technique first and then apply it to the kind of unfamiliar, multi-step questions that separate grades in the exam. Written to match the style and presentation of Edexcel International A-Level and 9MA0. Full step-by-step solutions are provided in a separate PDF, so you can check your method as well as your answer.