Sampling Quiz

What is simple random sampling?

• Method of selecting a sample from a population where each individual has a different chance of being chosen.

• Method of selecting a sample from a population where each individual has an equal chance of being chosen.

• Method of selecting a sample from a population where only certain individuals are chosen.

• Method of selecting a sample from a population where each individual is chosen multiple times.

Which sampling method ensures that every member of the population has an equal chance of being selected?

• stratified sampling

• jugdement sampling

• random sampling

• convenience sampling

In stratified sampling, how is the population divided?

• The population is divided into distinct subgroups or strata.

• The population is divided based on age.

• The population is divided into random groups.

• The population is divided into equal parts.

What is systematic sampling?

• A statistical sampling method where elements are selected from a population at regular intervals after a random starting point.

• A statistical sampling method where elements are selected from a population based on their geographical location.

• A statistical sampling method where elements are selected from a population based on their size.

• A statistical sampling method where elements are selected from a population based on their alphabetical order.

What is convenience sampling?

• Sampling technique based on random selection of participants.

• Sampling technique based on selecting participants from a specific population.

• Sampling technique based on selecting participants from a diverse range of backgrounds.

• Non-probability sampling technique based on easy accessibility or availability of participants.

What is the main advantage of convenience sampling?

• Reduces bias in the sample

• Quick and easy implementation

• Provides accurate results

• Representative of the population

Which sampling method is commonly used in surveys and interviews?

• convenience sampling

• stratified sampling

• judgement sampling

• random sampling

Which sampling method is most suitable when the population is heterogeneous?

• Stratified sampling

• Cluster sampling

• Systematic sampling

• Random sampling

What sampling method are you using if you take every 10^th item which pass through the conveying belt in your production line?

• Convenience

• Simple random

• Systematic

• Judgement

Identify the Sample:

A restaurant wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. 8 people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

• 20 customers

• All customers

• 8 customers

• Dessert