Statistics

  • Hourglass with blue sand.
    problem
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    Estimating Time

    Age
    11 to 14
    Challenge level
    2 out of 3

    How well can you estimate 10 seconds? Investigate with our timing tool.

  • Unequal Averages
    problem
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    Unequal Averages

    Age
    11 to 14
    Challenge level
    2 out of 3

    Play around with sets of five numbers and see what you can discover about different types of average...

  • Litov's Mean Value Theorem
    problem
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    Litov's Mean Value Theorem

    Age
    11 to 14
    Challenge level
    3 out of 3

    Start with two numbers and generate a sequence where the next number is the mean of the last two numbers...

  • Statistical shorts
    problem
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    Statistical Shorts

    Age
    11 to 16
    Challenge level
    1 out of 3

    Can you decide whether these short statistical statements are always, sometimes or never true?

  • A blue map of electronic connections between people.
    problem
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    Connecting Averages

    Age
    11 to 16
    Challenge level
    1 out of 3

    The number in the square is the mean of the four numbers surrounding it. Can you find the missing numbers? 

  • Searching for mean(ing)
    problem
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    Searching for Mean(ing)

    Age
    11 to 16
    Challenge level
    2 out of 3

    If you have a large supply of 3kg and 8kg weights, how many of each would you need for the average (mean) of the weights to be 6kg?

  • Wipeout
    problem
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    Wipeout

    Age
    11 to 16
    Challenge level
    2 out of 3

    Can you do a little mathematical detective work to figure out which number has been wiped out?

  • Olympic Triathlon
    problem
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    Olympic Triathlon

    Age
    14 to 16
    Challenge level
    1 out of 3

    Is it the fastest swimmer, the fastest runner or the fastest cyclist who wins the Olympic Triathlon?

  • Picturing the world
    problem
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    Picturing the World

    Age
    14 to 16
    Challenge level
    1 out of 3

    How can we make sense of national and global statistics involving very large numbers?

  • Box plot match
    problem
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    Box Plot Match

    Age
    14 to 16
    Challenge level
    1 out of 3

    Match the cumulative frequency curves with their corresponding box plots.