Handling data

There are 54 NRICH Mathematical resources connected to Handling data
Olympic Triathlon
problem
Favourite

Olympic triathlon

Age
14 to 16
Challenge level
filled star empty star empty star
Is it the fastest swimmer, the fastest runner or the fastest cyclist who wins the Olympic Triathlon?
Which list is which?
problem
Favourite

Which list is which?

Age
14 to 16
Challenge level
filled star filled star empty star
Six samples were taken from two distributions but they got muddled up. Can you work out which list is which?
Statistical shorts
problem
Favourite

Statistical shorts

Age
11 to 16
Challenge level
filled star empty star empty star
Can you decide whether these short statistical statements are always, sometimes or never true?
Who's the best?
problem
Favourite

Who's the best?

Age
11 to 14
Challenge level
filled star filled star empty star
Which countries have the most naturally athletic populations?
Olympic Records
problem
Favourite

Olympic records

Age
11 to 14
Challenge level
filled star empty star empty star
Can you deduce which Olympic athletics events are represented by the graphs?
Litov's Mean Value Theorem
problem
Favourite

Litov's mean value theorem

Age
11 to 14
Challenge level
filled star filled star filled star
Start with two numbers and generate a sequence where the next number is the mean of the last two numbers...
Substitution Cipher
problem
Favourite

Substitution cipher

Age
11 to 14
Challenge level
filled star empty star empty star
Find the frequency distribution for ordinary English, and use it to help you crack the code.
Very old man
problem
Favourite

Very old man

Age
16 to 18
Challenge level
filled star empty star empty star
Is the age of this very old man statistically believable?
In the bag
problem
Favourite

In the bag

Age
11 to 14
Challenge level
filled star empty star empty star
Can you guess the colours of the 10 marbles in the bag? Can you develop an effective strategy for reaching 1000 points in the least number of rounds?
Reaction timer
problem
Favourite

Reaction timer

Age
11 to 14
Challenge level
filled star empty star empty star
This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.