Other tags that relate to A Well-stirred Sample
Sampling and hypothesis testing. Collecting data. Interpreting data. Carroll diagrams/Two way tables. Handling data. Probability distributions, expectation and variance. Sampling. Binomial distribution. Processing and representing data. Random variables.There are 7 results
Broad Topics > Handling, Processing and Representing Data > Collecting data
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.
A Well-stirred Sample
Age 16 to 18 Challenge Level:
Typical survey sample sizes are about 1000 people. Why is this?
The Surveyor Who Came to Tea
Age 14 to 18
This article discusses how a survey company carries out its surveys and some of the issues involved.
A Population Survey
Age 14 to 18 Challenge Level:
A geographical survey: answer the tiny questionnaire and then analyse all the collected responses...
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?
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?
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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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.