Year 11
Higher
Stratified sampling
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Lesson details
Key learning points
- In this lesson, we will learn to understand and interpret stratified sampling and calculate sample sizes of strata
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
Which type of sampling requires a certain amount of responses from a particular section of the population?
A
B
D
Q2.
Which type of sampling divides the data into sub-groups so a representative sample of each group is taken?
A
B
C
Q3.
What type of sampling is most appropriate for testing the quality of products on a production line?
A
B
D
3 Questions
Q1.
If the whole sample size is 50, what is the sample size of the bus users?
A
C
D
Q2.
If the whole sample size is 25, what is the sample size of the car users?
B
C
D
Q3.
If the whole sample size is 75, what is the sample size of the walkers?
A
C
D