Sampling and hypothesis testing

$\nostyle Challenging Data Tasks: The Making of "Where Are You Flying?"$

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Challenging data tasks: the making of 'Where are you flying?'

How was the data for this problem compiled? A guided tour through the process.
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The surveyor who came to tea

This article discusses how a survey company carries out its surveys and some of the issues involved.
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Chance of that

Age

16 to 18

Challenge level

What's the chance of a pair of lists of numbers having sample correlation exactly equal to zero?
problem
Counting fish

Age

14 to 16

Challenge level

I need a figure for the fish population in a lake. How does it help to catch and mark 40 fish?
problem
Snow and cholera

Age

14 to 16

Challenge level

What information helped medical pioneers decide on the cause of a disease? Especially in a time before microscopes were as powerful as they are today ?
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Statistics - maths of real life

Age

14 to 18

Challenge level

This pilot collection of resources is designed to introduce key statistical ideas and help students to deepen their understanding.
problem
Very old man

Age

16 to 18

Challenge level

Is the age of this very old man statistically believable?
problem
Reaction timer timer

Age

16 to 18

Challenge level

How can you time the reaction timer?
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Sleep: the silent killer

Age

16 to 18

Challenge level

"Too much sleep is deadly" proclaimed the newspaper headline. Is this true?
problem
Robin's hypothesis testing

Age

16 to 18

Challenge level

How many trials should we do in order to accept or reject our null hypothesis?