Sample VS Census

Testing coffee for taste.

• Census

• Sample

Finding the number of migrants from Japan.

• Census

• Sample

Obtaining general views on road safety.

• Census

• Sample

Finding out people’s opinions on whether Australia should become a republic.

• Census

• Sample

Testing a flu vaccine for effectiveness.

• Census

• Sample

Counting the number of Indonesian-speaking children in Australian schools.

• Census

• Sample

Finding the population of Gundagai.

• Census

• Sample

Finding the number of people in Australia over 40, to plan for health care.

• Census

• Sample

To find participants for a survey of students’ study habits, a teacher wrote a message in the

daily notices asking for volunteers.

• Biased

• Random

To ensure that items being made in a factory were of good quality, two items coming off

the assembly line were tested at a randomly selected time each hour.

• Biased

• Random