SPM Additional Mathematics 2017, Paper 1 (Question 23 – 25)
Question 23 (4 marks):A set of data consists of 2, 3, 4, 5 and 6. Each number in the set is multiplied by m and added by n, where m and n are integers. It is given that the new mean is 17 and the new standard deviation is 4.242.Find the value of m and … Read more