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In a box
Chris and Jo put two red and four blue ribbons in a box. They each pick a ribbon from the box without looking. Jo wins if the two ribbons are the same colour. Is the game fair?
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Chances are
Which of these games would you play to give yourself the best possible chance of winning a prize?
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The Better Choice
Here are two games you can play. Which offers the better chance of winning?
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Reaction timer
This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.
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Which spinners?
Can you work out which spinners were used to generate the frequency charts?
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How would you score it?
Invent a scoring system for a 'guess the weight' competition.
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Sociable Cards
Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?
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What does random look like?
Engage in a little mathematical detective work to see if you can spot the fakes.
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Olympic Records
Can you deduce which Olympic athletics events are represented by the graphs?
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Which list is which?
Six samples were taken from two distributions but they got muddled up. Can you work out which list is which?
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Picturing the world
How can we make sense of national and global statistics involving very large numbers?
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Perception versus reality
Infographics are a powerful way of communicating statistical information. Can you come up with your own?
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Box plot match
Match the cumulative frequency curves with their corresponding box plots.
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M, M and M
If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?