A-Level MathematicsYear 2020Q3
6 3 Below are 3 sketches from some students of the residuals from their linear regressions of y on x. Residuals 0 x I Residuals 0 x III Residuals 0 x II For each sketch you should state, giving your reason, (i) whether or not the sketch is feasible and if it is feasible (ii) whether or not the sketch suggests a linear or a non-linear relationship between y and x. (6) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________
Paper Source:9FM0_4B_que_20201024.pdf
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Exam Specification Info
This question is part of the UK A-Level Mathematics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectMathematics
Official MarksVariable (2–6 marks)