Census data
Name:
Date:
Class:
A
Quick Questions
Shade in the A or B circle for each question.
1. Which describes a census?
2. Which organisation runs the Australian census?
3. How often is the Australian census held?
4. A school asks 40 randomly chosen students about their lunch habits. What is this?
5. A school asks every single Year 10 student which elective they want. What is this for the Year 10 population?
B
Match the Pairs
Draw a line connecting each item on the left to its match on the right.
| Left column | Right column | |
|---|---|---|
| 1census | AA data collection that asks only some members of a population, then uses their answers to estimate the whole group | |
| 2sample survey | BA data collection that gathers information from every person or household in a population, not just a sample | |
| 3The ABS runs the Australian census every five years to collect data from every household | CIf the student collects the census data themselves, it is primary data. Census data is only secondary when someone else collected it, such as the ABS, and the student reuses it. | |
| 4A student uses published ABS census tables for a project. The student did not collect the data, so it is secondary data | Dcensus = every household, every 5 years | |
| 5census = survey of 1000 randomly chosen people | EThis describes a sample survey, not a census. A census collects data from every person or household in the population, not just a chosen sample. | |
| 6A student's own census data is secondary data | Fcensus data -> secondary data |
C
Definitions
census
D
Fill in the Blanks
Complete each line of code by filling in the missing parts.
1.
A ______ collects data from every person.
2.
A sample survey asks only part of the
__________.
3.
Reusing ABS census data is _________ data.
4.
IF surveyed _ population THEN
method ← "census"
END IF
5.
The ABS runs the census every ____ years.
E
Spot the Error
Shade in the letter of the line that contains an error.
Question 1
A
source ← ABS census
B
collects ← every household
C
data_type ← primary
Question 2
A
population ← 1000
B
sample_size ← 100
C
census_size ← sample_size
Question 3
A
IF method = census THEN
B
asked ← a random sample
C
ELSE
D
asked ← a random sample
Question 4
A
census_year ← 2021
B
interval ← 10
C
next ← census_year + interval
Question 5
A
source ← ABS census
B
people_asked ← everyone
C
sample_used ← FALSE
D
complete_coverage ← FALSE
Answer Key
Census data
Section A: Quick Questions
Q1
A — Collects data from every person or household in a population
Q2
A — Australian Bureau of Statistics (ABS)
Q3
B — Every five years
Q4
B — A sample survey
Q5
A — A census
Section B: Match the Pairs
Q1
census → A data collection that gathers information from every person or household in a population, not just a sample
Q2
sample survey → A data collection that asks only some members of a population, then uses their answers to estimate the whole group
Q3
The ABS runs the Australian census every five years to collect data from every household → census = every household, every 5 years
Q4
A student uses published ABS census tables for a project. The student did not collect the data, so it is secondary data → census data -> secondary data
Q5
census = survey of 1000 randomly chosen people → This describes a sample survey, not a census. A census collects data from every person or household in the population, not just a chosen sample.
Q6
A student's own census data is secondary data → If the student collects the census data themselves, it is primary data. Census data is only secondary when someone else collected it, such as the ABS, and the student reuses it.
Section C: Definitions
Q1
census — A data collection that gathers information from every person or household in a population, not just a sample. The ABS runs the Australian census every five years.Section D: Fill in the Blanks
Q1
A census collects data from every person.Q2
A sample survey asks only part of the
population.Q3
Reusing ABS census data is secondary data.Q4
IF surveyed = population THEN
method ← "census"
END IFQ5
The ABS runs the census every five years.Section E: Spot the Error
Q1
C — Students using ABS census results did not collect the data themselves, so it is secondary data. It should be data_type ← secondary.
Q2
C — A census collects data from the whole population, not a sample. It should be census_size ← population.
Q3
B — In a census, every household is asked. A random sample belongs in the ELSE branch. Line 2 should be asked ← every household.
Q4
B — The ABS runs the Australian census every five years, not ten. It should be interval ← 5.
Q5
D — A census aims to cover the whole population, so coverage is complete. It should be complete_coverage ← TRUE.