A-Level MathematicsYear 2020Q7
20 Question 7 continued Daniel’s summary statistics and diagram, Figure 7, are based on the tyre lives for front wheel tyres. He has additional data relating to the tyre lives for rear wheel tyres. Daniel knows that rear wheel tyres can be expected to have longer lives than front wheel tyres. (c) (i) Explain how Daniel could use a Randomised Block Design to include samples of the four tyre brands and front and rear wheel tyres. (2) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ (ii) Name a hypothesis test that Daniel can use with a Randomised Block Design to investigate whether there is a difference between the mean tyre lives of the four brands, A, B, C and D. (1) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ (Total for Question 7 is 17 marks) TOTAL FOR PAPER IS 80 MARKS
Paper Source:9ST0_02_que_20201023.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)