Sampling methods
I can see why samples are used and why different selection methods exist.
Sampling methods
I can see why samples are used and why different selection methods exist.
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Lesson details
Key learning points
- Samples are used when using the whole population would be impractical/destructive.
- There are various sampling methods.
- A simple random sample is one of the easiest samples to collect.
Keywords
Simple random sample - A simple random sample is where every item in a population has an equal chance of being selected for the sample.
Common misconception
Names in a hat is the simplest way to perform a simple random sample.
This can be true for very small populations but becomes time consuming quickly.
To help you plan your year 10 maths lesson on: Sampling methods, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 10 maths lesson on: Sampling methods, 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.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 4 maths lessons from the Sampling unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.Select all the examples of quantitative discrete data.
Q2.Data that has been previously collected for a different or unknown purpose are called data.
Q3.Lucas collects some data on shoe sizes. Which of these statements are correct?
Q4.Match each type of data to an example.
type of pet
number of pets in each household
mass of each pet
Q5.Laura measures the temperature outside her school every morning at 10 am for a month. What type of data has Laura collected?
Q6.Aisha writes an article for the school magazine about sport. She uses data from the local sports centre on what exercise classes they offer. What type of data has Aisha used?
Assessment exit quiz
6 Questions
Q1.The is the entire set of people, creatures, plants or items that make up the whole group which is being studied.
Q2.A simple sample is where every item in a population has an equal chance of being selected for the sample.
Q3.Investigation: A vet wants to check a sample of sheep from a farm to see if they are all healthy. What is the population in the vet's investigation?
Q4.A teacher asks each pupil in a class of 30 to write down any two numbers between 1 and 30. The teacher uses RanInt#(1, 15) on her calculator to pick 5 pupils. Will this give a simple random sample?
Q5.These six pupils are assigned a range of numbers. A simple random sample of two pupils will be taken using these numbers. The range of integers that Jun should be assigned is .
Q6.These six pupils are assigned a range of numbers. A simple random sample of two pupils will be taken using these numbers. What calculation will generate a simple random sample for this population?