Data and Graphing

Front

What is data?

Back

Data refers to facts, figures, or information collected for analysis or reference.

Front

What is a graph?

Back

A graph is a visual representation of data that helps to illustrate relationships or trends.

Front

What type of graph is best for showing changes over time?

Back

A line graph is best for showing changes over time.

Front

What does the x-axis represent in a line graph?

Back

The x-axis usually represents the independent variable, often time.

Front

What does the y-axis represent in a line graph?

Back

The y-axis usually represents the dependent variable, which is affected by the independent variable.

Front

What is a bar graph used for?

Back

A bar graph is used to compare different groups or categories.

Front

What is a circle graph (pie chart)?

Back

A circle graph, or pie chart, shows the parts of a whole as slices of a circle.

Front

How can you determine the trend in a line graph?

Back

You can determine the trend by observing the direction in which the line moves (upward, downward, or flat).

Front

What does it mean if a line graph is increasing?

Back

If a line graph is increasing, it means that the value of the dependent variable is rising over time.

Front

What does it mean if a line graph is decreasing?

Back

If a line graph is decreasing, it means that the value of the dependent variable is falling over time.