Statistical Questions and Variables

Front

What is a statistical question?

Back

A statistical question is one that anticipates variability in the data and can be answered by collecting data that has a range of answers.

Front

Why do companies ask statistical questions?

Back

Companies ask statistical questions to gather data that helps them make informed decisions based on trends and preferences.

Front

What is a variable in statistics?

Back

A variable is any characteristic, number, or quantity that can be measured or counted. It can vary among the subjects being studied.

Front

What is the difference between a statistical question and a non-statistical question?

Back

A statistical question expects variability in the answers, while a non-statistical question has a single, fixed answer.

Front

Give an example of a statistical question.

Back

What is the average height of students in a sixth-grade class?

Front

What does it mean for a question to be relevant in statistics?

Back

A relevant question provides useful information that can help in understanding a situation or making decisions.

Front

What is a data set?

Back

A data set is a collection of related data points or values that are used for analysis.

Front

What is the purpose of collecting data in statistics?

Back

The purpose of collecting data is to analyze it in order to draw conclusions, make predictions, or inform decisions.

Front

What is a sample in statistics?

Back

A sample is a subset of a population that is used to represent the entire group.

Front

What is the importance of sample size in statistics?

Back

The sample size affects the reliability of the results; larger samples tend to provide more accurate estimates of the population.