Unit 1 Lesson 1

Front

What is a statistical question?

Back

A question that can be answered by collecting data that vary.

Front

Which question is a statistical question?

Back

What is the average number of cars in the parking lot on Monday mornings?

Front

What is the population in a statistical study?

Back

The entire group of individuals or instances about whom we hope to learn.

Front

What is a sample in statistics?

Back

A subset of the population selected for observation and analysis.

Front

What does variability refer to in statistics?

Back

How spread out the data is or how much it changes from data point to data point.

Front

What is the mean in statistics?

Back

The average value of a set of numbers, calculated by dividing the sum of the values by the number of values.

Front

What is the median in statistics?

Back

The middle value in a data set when the numbers are arranged in order.

Front

What is the mode in statistics?

Back

The value that appears most frequently in a data set.

Front

What is a survey in statistics?

Back

A method of collecting data by asking questions to a sample of individuals.

Front

What is a variable in statistics?

Back

A characteristic or attribute that can take on different values.