Understanding Graphs and Data Trends

Front

What is a pie chart?

Back

A pie chart is a circular graph divided into slices to illustrate numerical proportions. Each slice represents a category's contribution to the whole.

Front

How do you find the most important category in a pie chart?

Back

By finding the largest slice.

Front

What is the best graph for showing parts of a whole?

Back

A pie chart.

Front

What is a line graph used for?

Back

To show changes over time.

Front

What does the y-axis represent in a graph?

Back

The dependent variable.

Front

How can you identify a trend in a line graph?

Back

By seeing the direction of the line.

Front

What is the purpose of a bar graph?

Back

To compare different categories.

Front

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

Back

The independent variable.

Front

What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data.

Front

What is the difference between a line graph and a bar graph?

Back

A line graph shows trends over time, while a bar graph compares different categories.