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### There are 19 results

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

### Our Sports

##### Stage: 2 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.

### The Time Is ...

##### Stage: 2 Challenge Level:

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

### Reaction Timer

##### Stage: 3 Challenge Level:

This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.

### Substitution Cipher

##### Stage: 3 and 4 Challenge Level:

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

### Real Statistics

##### Stage: 2 Challenge Level:

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

### Warmsnug Double Glazing

##### Stage: 3 Challenge Level:

How have "Warmsnug" arrived at the prices shown on their windows? Which window has been given an incorrect price?

### Inspector Morse

##### Stage: 3 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?

### Terrariums

##### Stage: 3 Challenge Level:

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

### Decathlon: the Art of Scoring Points

##### Stage: 3, 4 and 5

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

### Olympic Triathlon

##### Stage: 4 Challenge Level:

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

### It's a Scrabble

##### Stage: 2 Challenge Level:

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

### Substitution Transposed

##### Stage: 3 and 4 Challenge Level:

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

### Secondary Cipher Challenge Part 1

##### Stage: 3 and 4 Challenge Level:

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

### Which List Is Which?

##### Stage: 3 and 4 Challenge Level:

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

##### Stage: 3 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?

### Olympic Records

##### Stage: 3 Challenge Level:

Can you deduce which Olympic athletics events are represented by the graphs?

### Coin Toss Checker

##### Stage: 5 Challenge Level:

Can you make a set of random data which will fool the computer?

### Compare the Squares

##### Stage: 2 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.

### Cricket Ratings

##### Stage: 4

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.