Sample, population,statistic,parameter

Complete the definition:

A _________ consists of all subjects (human or otherwise) that are being studied

• Statistics

• Number

• People

• Population

• Pueblo

Complete the definition:

A _______ is a subset of a population

• sample

• parameter

• people

• statistics

• group

Population or Sample?

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

• Population

• Sample

Population or Sample?

Every fifth customer exiting a restaurant is surveyed on how well they liked the food.

• Population

• Sample

A researcher is studying US senators.

As of January 2007, 44% of the governors of the 50 states in the US are Republicans.

• parameter
• statistic

In a survey of a sample of computer users, 8% said their computer had a malfunction that needed to be repaired by a service technician.

Is 8% a parameter or a statistic?

• parameter
• statistic

A researcher is looking at magazine subscriptions in the U.S.

In a recent year, the interest category for 12% of all new magazines was sports.

Is 12% a parameter or a statistic?

• parameter
• statistic

In a recent survey of 1503 adults in the United States, 53% said they use both a landline and a cell phone. Is 53% a parameter or a statistic?

• parameter
• statistic

Before a nation wide election, a polling place was trying to see who would win. Which choice best represents an example of a statistic?

• A selection of voters over age 50.
• All voters.
• The percentage of all voters in favor of the candidate.

• 53% of a selection of voters support the candidate.

A survey company was trying to see if people in a state thought the pollution was too high.
Which choice best represents a parameter?

• All people in the state.
• Percentage of all people in the state who thought the pollution was too high.
• 500 randomly selected residents of the state.
• 71% of the residents surveyed thought the pollution was too high.