Represent and Interpret Data

Front

What is the main purpose of a line graph?

Back

To show change over time.

Front

Which graphs involve categorical data that represents characteristics?

Back

Bar and picture graphs.

Front

What type of data do line plots represent?

Back

Numeric or measurable data.

Front

What is numerical data?

Back

Represents objects or individuals by numbers assigned to certain measurable properties.

Front

How do you calculate the difference in preference between two groups?

Back

Subtract the number of students in one group from the number in the other.

Front

What is categorical data?

Back

Data that can be divided into groups or categories.

Front

What type of graph is best for comparing parts of a whole?

Back

Pie chart.

Front

What is the difference between bar graphs and line graphs?

Back

Bar graphs are used for categorical data, while line graphs are used for continuous data.

Front

What does a histogram represent?

Back

A histogram represents the frequency distribution of numerical data.

Front

What is the independent variable in a graph?

Back

The variable that is manipulated or changed.