1) Add them all up and divide by how many numbers there are. What is this? a) Mode b) Median c) Mean d) Range 2) Which one of these is NOT a type of average? a) Mode b) Median c) Mean d) Range 3) Work out the median: 4, 2, 8, 7, 5 a) 3 b) 4 c) 5 d) 6 4) Work out the mode: 8, 6, 9, 6, 8, 5 a) 6 b) 8 c) 6 and 8 d) There is no mode 5) Work out the mean: 8, 11, 3, 10 a) 7 b) 8 c) 9 d) 10 6) What is the range: 4, 0, -1, 7, 3 a) 6 b) 7 c) 8 d) 9 7) 8, 2, 5, 4, 5 Which one of these is FALSE: a) The mode is 5 b) The median is 4 c) The mean is 4.8 d) The range is 6 8) I'm thinking of 3 numbers. They are 10, 20 and ?? The mean is 15. What is the missing number? a) 10 b) 12 c) 15 d) 20 e) 30

averages 7

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