Collecting data

problem

Healthy Snack Shop

Age

7 to 11

Challenge level

What information do you need to know to set up a healthy snack shop for your class?
problem

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?
problem

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?
problem

A Population Survey

Age

14 to 18

Challenge level

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

Do You Brush Your Teeth Every Day?

Age

14 to 18

Challenge level

How can we find out answers to questions like this if people often lie?
problem

A Well-Stirred Sample

Age

16 to 18

Challenge level

Typical survey sample sizes are about 1000 people. Why is this?
article
What Does It Say to You?

Written for teachers, this article discusses mathematical representations and takes, in the second part of the article, examples of reception children's own representations.
article
Enriching Data Handling

This article for teachers looks at some suggestions taken from the NRICH website that offer a broad view of data and ask some more probing questions about it.
article
The Surveyor Who Came to Tea

This article discusses how a survey company carries out its surveys and some of the issues involved.
article
Florence Nightingale - The Compassionate Mathematician

Florence Nightingale may be well known for her role as a nurse, but she was also an excellent mathematician, collecting and analysing data to help improve hospital conditions.