Question: Question 4 (a) Calculate the regression equation for the data in question 1 which will enable us to predict a mark in the final examination

Question 4 (a) Calculate the regression equation for the data in question 1 which will enable us to predict a mark in the final examination based on a known number of exercises. (8) (b) What, briefly, is meant by 'least-squares' regression? (4) [12]

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