Statistics Population vs Sample

What is a smaller, representative group drawn from a population?

• unit

• sample

• parameter

• statistic

The characteristic used to describe a sample

• parameter

• statistic

• population

• census

The entire set of items (who or what) from which data can be selected

• survey

• parameter

• population

• sample

The characteristic used to describe the entire population

• statistic

• parameter

• census

• data

Parameter or Statistic?

According to Ms. Carey’s survey of the students in her class, 50% of her students have at least one dog.

• Parameter

• Statistic

Parameter or Statistic?

A local journal conducted a survey. Of the 1800 subscribers, 1354 responded. Based on the survey, the journal concludes that 75% of subscribers will renew their subscriptions next year.

• Parameter

• Statistic

A gaming website wanted to find out which console its visitors owned. Which choice BEST represents the population in this situation?

• Visitors with an 'e' in their user name.

• Visitors to the 3DS section.

• Visitors over 22.

• All the website visitors.

Population or Sample?

A survey of 1353 American households found that 18% of the households own a computer.

• Population

• Sample

Population or Sample?

The average weight of every person entering the mall within 3 hour period was 146 lb.

• Population

• Sample

Population or Sample?

All of the teachers in a school are surveyed on their meeting time preferences.

• Population

• Sample