Algebra I B Chapter 5

Front

What is a sample in statistics?

Back

A sample is a part of a group being surveyed, selected to represent the larger population.

Front

What is an observational study?

Back

An observational study is a research method where the researcher observes subjects without manipulating any variables.

Front

What is the least popular car color in this dealership?

Back

White is the least popular car color at this dealership.

Front

How do you calculate the percentage of a subgroup in a population?

Back

To calculate the percentage, divide the number of individuals in the subgroup by the total population and multiply by 100.

Front

What is the definition of a population in statistics?

Back

A population is the entire group of individuals or instances about whom we hope to learn.

Front

What is a random sample?

Back

A random sample is a subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

Front

What is a quartile in statistics?

Back

A quartile is a type of quantile that divides a ranked dataset into four equal parts.

Front

What is the purpose of a survey?

Back

The purpose of a survey is to gather information from a group of individuals to understand their opinions, behaviors, or characteristics.

Front

What is the difference between a sample and a population?

Back

A sample is a smaller group selected from a population, which is the entire group of interest.

Front

What does it mean if a researcher conducts an experiment?

Back

Conducting an experiment means the researcher manipulates one or more variables to observe the effect on another variable.