Mathematics S1,S2,S3 WST01: Representation and Summary of Data Topical Past Paper Questions
Edexcel A Level Mathematics S1,S2,S3 (WST01) past-paper questions on Representation and Summary of Data, free. This topic is frequently examined across 12 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The marks of a group of 31 students in a Statistics test are summarised by the stem and leaf diagram below. (a) Find the median and the interquartile range of the marks of these students. An outlier is defined as a mark that is (3) either more than $ 1.5 \times $ interquartile ra…
The following grouped frequency distribution summarises the speeds in km/h that a random sample of 225 cars were doing on a road. A histogram is drawn to represent these data. The height of the tallest bar is 10 cm. (a) Calculate the height of the second tallest bar. (3) (b) Esti…
In this question solutions relying entirely on calculator technology are not acceptable. The continuous random variable X has the following probability density function $$ \mathrm{f}(x)=\left\{\begin{aligned}&a+bx&\quad-1\leqslant x\leqslant3\\ &0&\quad\text{otherwise}\end{aligne…
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