Chapter 3 Stats flashcard

Front

What is a distribution?

Back

A distribution helps us understand the overall pattern of data, including its shape, center, and variability.

Front

What is the best graph to show percentages of a whole?

Back

A pie chart is the best graph to display percentages of a whole.

Front

When should you use a pie chart?

Back

Use a pie chart to display percentages of a whole.

Front

What type of chart is best for comparing amounts?

Back

A bar chart is best for comparing the amount of different categories.

Front

What does the 'stem' represent in a stem-and-leaf plot?

Back

The 'stem' usually represents the tens place of the data.

Front

What is a bar chart used for?

Back

A bar chart is used to compare different quantities across categories.

Front

What does a pie chart show?

Back

A pie chart shows how parts make up a whole, represented in percentages.

Front

What is the purpose of a scatter plot?

Back

A scatter plot shows the relationship between two different variables.

Front

What is a box plot used for?

Back

A box plot is used to show the distribution of data based on a five-number summary.

Front

What is variability in data?

Back

Variability refers to how spread out or closely clustered the data points are.