AP Stats Semester 1 Review

Front

What are the four key components to describe a distribution of quantitative data?

Back

Shape, Center, Variability, and Outliers/Unusual Features.

Front

What is a variable in statistics?

Back

An attribute that can take different values for different individuals.

Front

What does a residual plot indicate about the appropriateness of a linear regression model?

Back

If the residual plot shows no pattern, a linear regression model is appropriate.

Front

How would you describe a distribution that is skewed left?

Back

A distribution where the left tail is longer or fatter than the right tail.

Front

What does a segmented bar graph represent?

Back

It shows the proportion of different categories within a whole.

Front

What is the definition of a population in statistics?

Back

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

Front

What is the difference between a sample and a population?

Back

A sample is a subset of a population used to represent the whole.

Front

What does it mean if data is symmetrical?

Back

The left and right sides of the distribution are mirror images of each other.

Front

What is the purpose of a box plot?

Back

To visually display the distribution of data based on a five-number summary.

Front

What is the five-number summary in statistics?

Back

Minimum, First Quartile (Q1), Median, Third Quartile (Q3), Maximum.