Understanding Sampling Techniques Quiz

What is a "sample" in the context of data collection?

• A small group chosen from a larger population

• The entire group being studied

• A type of survey

• A method of analysis

What does "bias" mean in data collection?

• A fair representation of the population

• A preference that affects the results

• A type of sampling method

• A large group of people

Which of the following best describes a "census"?

• A survey of a small group

• A survey of the entire population

• A random selection of individuals

• A method to avoid bias

What is a "population" in data collection?

• A small group chosen for a study

• The entire group being studied

• A type of sampling method

• A method to reduce bias

If you want to know the favourite sport of students in your school, which sampling method would be best?

• Ask only the students in your class

• Ask a random group of students from each grade

• Ask the teachers

• Ask the students on the soccer team

Why is it important to use a random sample?

• To ensure the sample is biased

• To make the data collection easier

• To get a representative sample of the population

• To save time

Which sampling method would be best to find out the most popular ice cream flavour in a city?

• Ask everyone in one neighbourhood

• Ask a random sample of people from different areas of the city

• Ask only the people at the local ice cream shop

• Ask your friends

What is the main goal of using different sampling techniques?

• To make the survey more interesting

• To ensure the sample is representative of the population

• To reduce the number of questions

• To make the survey shorter

If you want to find out how many students in your school like reading, which method would be best?

• Ask only the students in the library

• Ask a random sample of students from different classes

• Ask the teachers

• Ask the students in the book club

What is one disadvantage of using a census?

• It is very accurate

• It takes a lot of time and resources

• It is biased

• It is not representative