Stratified sampling
I can carry out a stratified sample.
Stratified sampling
I can carry out a stratified sample.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- A biased sample is not necessarily bad.
- You may wish to represent certain groupings in your sample.
- The sample from each group is proportional to the group size.
Keywords
Strata - A population may be split intro strata (groups). Each stratum is distinct and each item in the population can only belong to one stratum.
Stratified sample - A stratified sample is where a representative sample is taken from each stratum.
Common misconception
Stratified sampling is biased and therefore produces a bad sample.
Stratified sampling is used to take a representative sample from the population. Selecting from within the strata can be done using a simple random sample.
To help you plan your year 10 maths lesson on: Stratified sampling, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 10 maths lesson on: Stratified sampling, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
Our video is a tool for planning, showing how other teachers might teach the lesson, offering helpful tips, modelled explanations and inspiration for your own delivery in the classroom. Plus, you can set it as homework or revision for pupils and keep their learning on track by sharing an online pupil version of this lesson.
Explore more key stage 4 maths lessons from the Sampling unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Starter quiz
6 Questions


Exit quiz
6 Questions

