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A-Level MathematicsYear 2022Q4

12   Question 4 continued (a) Making any necessary assumptions, perform a two-factor ANOVA to investigate for a difference between varieties and for a difference between fertiliser concentration. (11) ___________________________________________ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Turn over 13   Question 4 continued _ _ _ _ _ _ _ _ (b) State two assumptions necessary to make the analysis in (a) valid. (2) _ _ _ _ _ _ (c) With numerical justification, what advice would you give to the farmer to maximise her yield with reference to fertiliser concentration and seed variety. (2) _ _ _ _ _ ___________________________________________ (Total for Question 4 is 15 marks)

Paper Source:9st0-02-que-20220614.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)