1) How do you find the mode? a) Biggest - Smallest b) Add the numbers up and divide by the amount of numbers c) Look for the one that occurs the most d) Put them in size order and find the middle one 2) What is the range of these numbers? 2, 7, 4, 3, 8, 7 a) 3 b) 4 c) 5 d) 6 e) 7 f) 8 3) Three brothers are aged 4, 6 and 11. What is their mean age? a) 2 b) 5 c) 8 d) 1 e) 7 f) 21 4) Is the median of 2, 7, 6, 4, 1 = 6 a) True b) False 5) What is the mode of: 12, 11, 8, 14, 9, 11, 8, 15 ? a) 12 b) 11 c) 11 and 15 d) 8 and 11 e) No mode 6) Work out the median of: 15, 12, 18, 14 and 20 a) 15 b) 12 c) 18 d) 14 e) 20 7) Sam and Michael are 8 year old twins. What is the range of their ages? a) 2 b) 7 c) 1 d) 0 e) 8 8) The mean age of 3 friends is 10. Steve joins the 3 and the mean age of the 4 friends is now 11. How old is Steve? a) -2 b) 2 c) 40 d) 14 e) 36 f) 38

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