Statistics Population Sample Parameter and Statistic

A beverage company wanted to see if people in the United States liked their new logo.
Which choice best represents a population?

• A selection of logo artists.
• Every person in the United States.
• A selection of shoppers from different shoppers from different states.
• 3,800 children age 5-15

A musician wanted to see what people who bought his last album thought about the songs.
Which choice best represents a sample?

• Every person who bought the album.
• A selection of people who didn't want to buy the album.
• 250 girls who bought the album.
• A selection of 3,294 people who bought the album.

A gaming website wanted to find out which console its visitors owned.
Which choice best represents the population?

• Visitors to the 3DS section.
• All of the website visitors.
• Visitors to the PS4 section.
• Visitors who are on the website for more than 5 minutes.

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

• A selection of voters over age 50.
• A selection of male voters.
• A selection of voters of different ages.
• All of these.

A toy store owner is tracking how much kids spend each month on toys.
Which choice best represents a population?

• All of the kids who buy toys.
• 227 rich kids.
• 228 boys age 7-15.
• 235 kids from age 10 to 15.

A mayor wanted to see if the people in his town thought he was doing a food job.
Which choice best represents a sample?

• 1,000 unemployed voters
• The mayor's family
• The residents of the town
• 242 voters

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

• A selection of voters over age 50.
• All voters.
• The percentage of voters in favor of the candidate.
• 53% of the selection of voters support the candidate.

A restaurant chain wanted to find out how the customer experience was in a store.
Which choice best represents a statistic?

• The percentage of all customers that reported a positive experience.
• The percentage of customers surveyed that reported a  positive experience.
• All customers.
• A random selection of customers that were surveyed.

A mayor wanted to see if the people in his town thought he was doing a good job.
Which choice best represents a statistic?

• The percentage of all townspeople who believe the mayor is doing a good job.
• The percentage of townspeople surveyed who believe the mayor is doing a good job.
• All townspeople.
• A random selection of 100 townspeople.

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.