1) Averages (mean, median, mode) are used in statistics and represent middle values a) true b) false 2) Anni needs to work out the mean of hers and her friends ages: Anni 16, Jo 18, Kate 18, Mia 17, Denis 18. Which method is correct? a) Put numbers in order and pick the middle number b) Add up the ages and divide by 5 c) Pick 18 as it is most common d) Highest number minus lowest, 18 - 16 = 2 3) Mia needs to work out the mode of hers and her friends ages: Anni 16, Jo 18, Kate 18, Mia 17, Denis 18. Which method is correct? a) Put numbers in order and pick the middle number b) Add up the ages and divide by 5 c) Pick 18 as it is most common d) Highest number minus lowest, 18 - 16 = 2 4) Denis needs to work out the median of his and his friends ages: Anni 16, Jo 18, Kate 18, Mia 17, Denis 18. Which method is correct? a) Put numbers in order and pick the middle number b) Add up the ages and divide by 5 c) Pick 18 as it is most common d) Highest number minus lowest, 18 - 16 = 2 5) Kate says that the range doesn't represent the middle number. Is she correct? a) Yes, range shows the spread of data b) No, range is the middle number 6) A group of 5 construction students took a safety test. Their average score was 60. Four students scored 55, 60, 65, and 50. What score did the fifth student get? a) 60 b) 70 c) 65 d) 75 7) Animal care students recorded how many pets they have. The results are shown below. What is the mode number of the pets? a) 15 b) 2 c) 10 d) 4 8) A GCSE maths group recorded how many hours they revised during one week. Find the mode revision time. a) 5 b) 5 and 15 c) 3 and 4 d) 2 9) A bar chart shows how many pets animal care students own. What is the mode for the number of pets? a) 1and 3 b) 2 c) 10 d) 15

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