Sampling Methods (Edexcel GCSE Maths): Quizzes
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Practise the questions
10 questions from this quiz
In simple random sampling, what does every member of the population have?
In simple random sampling, what does every member of the population have?
An equal chance of being chosen
What is the first step in conducting simple random sampling?
What is the first step in conducting simple random sampling?
Assign a unique number to each member
When does simple random sampling work particularly well?
When does simple random sampling work particularly well?
When the population is fairly uniform
When should you use stratified sampling?
When should you use stratified sampling?
When distinct groups need representation
What is the key principle behind stratified sampling?
What is the key principle behind stratified sampling?
Proportional representation
After calculating group sizes in stratified sampling, what method is used within each group?
After calculating group sizes in stratified sampling, what method is used within each group?
Simple random sampling
A school has 800 students. Year 9 has 200. For a sample of 80, how many Year 9 students needed?
A school has 800 students. Year 9 has 200. For a sample of 80, how many Year 9 students needed?
20 students
In a population of 1000, a group has 181 members. For a sample of 50, how many from this group?
In a population of 1000, a group has 181 members. For a sample of 50, how many from this group?
9 members
What must the selection process be in simple random sampling?
What must the selection process be in simple random sampling?
Completely random
What advantage does stratified sampling have over simple random sampling?
What advantage does stratified sampling have over simple random sampling?
Additional control over composition