4 Question 1 continued Kwame also collects data on total March rainfall, w mm, for each of these 30 years. For a linear regression model of w on t the following summary statistic is found. Residual Sum of Squares (RSS) = 86 754 Kwame concludes that since this model has a smaller RSS, there must be a stronger linear relationship between w and t than between y and t (where RSS = 1 666 567) (e) State, giving a reason, whether or not you agree with the reasoning that led to Kwame’s conclusion. 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_____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Turn over 5 Question 1 continued _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ 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_____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ (Total for Question 1 is 7 marks)
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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.
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