Exploring Populations and Samples in Statistics

What is a population in the context of a statistical study?

• A subset of individuals from a larger group

• All possible outcomes of a study

• The complete set of individuals or measurements of interest

• A specific group of study subjects who are not necessarily all-inclusive

Which of the following best describes a sample?

• A subset of a population used for analysis

• A complete set of data or individuals relevant to a particular study

• A parameter of a study

• The entire group of subjects in a nationwide study

What does the survey of 343 women regarding online shopping orders exemplify?

• A parameter of the entire population

• A statistic based on a sample

• A population of all women in the U.S.

• None of the above

What is a parameter?

• A characteristic of a sample

• A type of statistical test

• A numerical outcome of a hypothesis test

• A characteristic of a population

Which example illustrates a statistic?

• Average age of individuals in a worldwide survey

• Total number of students in an international school

• Average salary of a subset of math teachers in the U.S.

• Average salary of all professional linebackers

If the average salary of all linebackers is given, this value is considered a:

• Population

• Sample

• Parameter

• Statistic