Free to use. Edit it, share it and hand it out to your students.
Oak National Academy
12 questions
The population is the entire set of people, creatures, plants or items that make up the whole group which is being studied. A ___ is a subset of the population.
A ___ sample is when a member or group are more or less likely to be chosen for a sample compared to other members of the population.
Investigation: A scientist wants to check the biodiversity of plants and trees in Oak woods. What is the population in the scientist's investigation?
A teacher wants to select a simple random sample of six pupils from a class. Which of these can be used to generate a simple random sample?
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 ___.
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?
A teacher wants to split the students at his school based on the strata of the modern foreign language they are studying. Select the appropriate strata.
A population may be split into groups or strata. A ___ sample is where a representative sample is taken from each stratum.
Select the sample that is most representative of the population from the given strata: A cruise ship with 2000 passengers and 500 crew.A sample of 100 people is taken.
A company employs 250 band A workers, 350 band B workers and 200 Band C workers. A manager wants to take a stratified sample of 80 workers. How many workers from each band should be sampled?
A bus company wants to take a sample of 500 customers, stratified by age. The table shows the number of customers in each age group. The bus company should choose ___ under-16s for the sample.
A bus company wants to take a sample of 500 customers, stratified by age. The table shows the number of customers in each age group. The bus company should choose ___ over 65s for the sample.
