Populations and samples

Question 1

Define population

Answer 1

Everything that can be involved in an investigation

Question 2

Identify population: A hotel manager wants to know what his guests think of the breakfast menu

Answer 2

Hotel guests (that come for breakfast)

Question 3

Define census

Answer 3

A survey or an investigation with data taken from every member of the population.

Question 4

Define sample

Answer 4

A subset of data from a larger group.

Question 5

Define sampling frame:
Define sampling unit:

Answer 5

SF: People/ items that are to be sampled
SU: A list of all the sampling units

Question 6

I’m planning to do a survey about homework in the 5th form.

Explain what the population is, what the sampling frame would be, what the sampling unit is.

Answer 6

Population: Students of 5th form who get homework
Sampling Frame: The students of 5th form
Sampling Unit: The names of the students in 5th form that get homework

Question 7

I’m planning to do a survey of how many bathrooms are in house in different areas of Reigate

Explain what the population is, what the sampling frame would be, what the sampling unit is.

Answer 7

Population: Houses with bathrooms
Sampling Frame: The houses
Sampling Unit: Number of bathrooms in the house