Mathematics S1,S2,S3 WST01: Correlation and Regression Topical Past Paper Questions
Edexcel A Level Mathematics S1,S2,S3 (WST01) past-paper questions on Correlation and Regression, free. This topic is frequently examined across 12 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A biologist is studying the noises made by dolphins. The biologist records the frequency, $ f_{kHz} $, of the noise made by a dolphin at 10 different sea depths, $ d_{m} $. Some summary statistics are given below. $$ \overline{d}=25.7\quad\sum f=15\quad\sum f^{2}=25.5\quad\sum df…
Statistical models are a cheap and quick way to make predictions about real-world situations. (a) Give one other reason why statistical models are used. (1) Madison wants to develop a model to describe the relationship between the average daily temperature, $ t^{\circ} $C, and a…
Aarush is asked to estimate the price of 7 kettles and rank them in order of decreasing price. Aarush's order of decreasing price is D A F C B G E The actual prices of the 7 kettles are shown in the table below. (a) Calculate Spearman's rank correlation coefficient between Aarush…
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