Exploring Populations and Samples

What is a sample in the context of a population?

• A method of data collection

• A type of statistical analysis

• A subset of a population with specific characteristics

• A group containing all members of a population

In the analogy used, if the population is the alphabet, what would the vowels represent?

• A population statistic

• A sample statistic

• A complete dataset

• None of the above

What is a population in the context of statistical data?

• The entire group from which a sample is drawn

• Any group under statistical analysis

• A specific group from which data is not sampled

• A subset of a larger group

If the population is all students at a school, which of the following could be a sample?

• Students who take the bus

• None of the above

• All teachers at the school

• All students and staff

Which of the following is an example of a population, based on the video?

• Seniors who drive to school

• All seniors at East High School

• Students on the B honor roll

• Children playing football for YMCA

How can data from a sample be described in statistical terms?

• Population statistic

• Sample statistic

• Unreliable statistic

• Biased statistic

What does a statistical question require?

• Opinions instead of data

• A single, unchanging answer

• Data that does not vary

• Data that varies and can be collected

Which example involves collecting data as a population statistic?

• Surveying seventh grade students at first lunch

• Asking students in a first period class about bus ridership

• Using grades from Ms. Johnson's gradebook

• Polling people on their presidential choice

Why is polling on presidential preferences considered a sample statistic?

• It only includes a subset of the population

• It uses data from previous elections

• It is based on a full census

• It includes all eligible voters

Which scenario describes a sample statistic?

• Calculating the average grade of all students in a class

• Survey results from all members of a community

• Feedback from a group of selected employees

• National census data