20 Question 8 continued Therese’s assistant also calculated values for r, a and b on this new dataset of 14 values. However, he entered the data in the reverse order in his spreadsheet. He entered the left sensor data in the column Therese labelled (y) and the right sensor data in the column Therese labelled (x). (f) Which of the calculated values in (e) would be expected to remain the same? Give a reason for your answer. (2) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ (g) Comment on Therese’s decision to quote the values of r, a and b correct to 4 decimal places. (2) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ (Total for Question 8 is 13 marks) TOTAL FOR PAPER IS 80 MARKS