Week 8

What is a target population?

• the whole group you want to study or describe

• population inside the classroom

• part of the group you want to study or describe

• anyone that I like

What is bias?

• believing the facts, despite one's opinion

• listening to opinions of politicians

• a predisposition to a certain point of view despite what the facts suggest

Purposive sampling is categorised as ?

• A non-probability sampling technique

• A probability sampling technique

Handing out flyers in a mall is called?

• Simple random sampling

• Cluster sampling

• Snowball sampling

• Convenience Sampling

Ms Nadia samples her class by selecting every third person on her class list.  Which type of sampling method is this?

• Stratified sampling

• Systematic sampling

• Snowball sampling

• Cluster sampling

Rosmie completes a report by asking 70 students across campus. She found that 48% of LG students do not wash their hands after using the bathroom. What is the sample size?

• 48

• 70

• 100

• 33

In order to use samples to estimate something from the population, the sample should be _________________ the population.

• larger than

• nothing like

• representative of

• exactly the same as

Dylan wants to know how the students at his school rate the cafeteria.  He surveyed his school's basketball team to rate the school cafeteria. Is this a biased sample of the school's population?

• Yes, because it's voluntary survey

• Yes, because it is a convenience survey

• No, he should have asked the football team

• No, the basketball team has the smartest students