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There are 23 NRICH Mathematical resources connected to Comparing data, you may find related items under Handling, Processing and Representing Data.

Broad Topics > Handling, Processing and Representing Data > Comparing data

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Box Plot Match

Age 14 to 16 Challenge Level:

Match the cumulative frequency curves with their corresponding box plots.

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What's the Weather Like?

Age 11 to 14 Challenge Level:

With access to weather station data, what interesting questions can you investigate?

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Olympic Triathlon

Age 14 to 16 Challenge Level:

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

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Our Sports

Age 7 to 11 Challenge Level:

This problem explores the range of events in a sports day and which ones are the most popular and attract the most entries.

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Which List Is Which?

Age 14 to 16 Challenge Level:

Six samples were taken from two distributions but they got muddled up. Can you work out which list is which?

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The Time Is ...

Age 7 to 11 Challenge Level:

Can you put these mixed-up times in order? You could arrange them in a circle.

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Who's the Best?

Age 11 to 14 Challenge Level:

Which countries have the most naturally athletic populations?

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Substitution Cipher

Age 11 to 14 Challenge Level:

Find the frequency distribution for ordinary English, and use it to help you crack the code.

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Real Statistics

Age 7 to 11 Challenge Level:

Have a look at this table of how children travel to school. How does it compare with children in your class?

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A Population Survey

Age 14 to 18 Challenge Level:

A geographical survey: answer the tiny questionnaire and then analyse all the collected responses...

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Challenging Data Tasks: the Making of "where Are You Flying?"

Age 16 to 18

How was the data for this problem compiled? A guided tour through the process.

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Where Are You Flying?

Age 14 to 18 Challenge Level:

Where do people fly to from London? What is good and bad about these representations?

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Half a Minute

Age 11 to 14 Challenge Level:

Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?

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Terrariums

Age 11 to 14 Challenge Level:

Build a mini eco-system, and collect and interpret data on how well the plants grow under different conditions.

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Decathlon: the Art of Scoring Points

Age 14 to 18

How do decisions about scoring affect who wins a combined event such as the decathlon?

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It's a Scrabble

Age 7 to 11 Challenge Level:

Letters have different values in Scrabble - how are they decided upon? And would the values be the same for other languages?

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Substitution Transposed

Age 11 to 16 Challenge Level:

Substitution and Transposition all in one! How fiendish can these codes get?

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Secondary Cipher Challenge Part 1

Age 11 to 16 Challenge Level:

Here is the start of a six-part challenge. Can you get to the end and crack the final message?

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Retiring to Paradise

Age 11 to 14 Challenge Level:

When Charlie retires, he's looking forward to the quiet life, whereas Alison wants a busy and exciting retirement. Can you advise them on where they should go?

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Compare the Squares

Age 7 to 11 Challenge Level:

In this problem you will do your own poll to find out whether your friends think two squares on a board are the same colour or not.

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Inspector Morse

Age 11 to 14 Challenge Level:

You may like to read the article on Morse code before attempting this question. Morse's letter analysis was done over 150 years ago, so might there be a better allocation of symbols today?

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Cricket Ratings

Age 14 to 16

Like all sports rankings, the cricket ratings involve some maths. In this case, they use a mathematical technique known as exponential weighting. For those who want to know more, read on.

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Tree Tops

Age 14 to 16 Challenge Level:

Can you make sense of information about trees in order to maximise the profits of a forestry company?