Circle Graphs

Front

What is a circle graph?

Back

A circle graph, also known as a pie chart, is a circular statistical graphic divided into slices to illustrate numerical proportions.

Front

How do you calculate the percentage of a category in a circle graph?

Back

To calculate the percentage, divide the part by the whole and multiply by 100.

Front

What does each slice of a circle graph represent?

Back

Each slice represents a proportion of the total data set.

Front

How can you determine the total number of surveyed individuals from a circle graph?

Back

You can determine the total by adding the values of all slices or by using the percentage of a known slice.

Front

What is the relationship between circle graphs and bar graphs?

Back

Both represent data visually, but circle graphs show parts of a whole while bar graphs show comparisons among categories.

Front

If 48 students were surveyed and 14 chose soccer, what percentage chose soccer?

Back

(14/48) * 100 = 29.17%.

Front

What is the formula to find the angle of a slice in a circle graph?

Back

Angle = (Percentage of the category / 100) * 360 degrees.

Front

How do you interpret the size of a slice in a circle graph?

Back

A larger slice indicates a greater proportion of the total data set.

Front

What is the importance of labeling slices in a circle graph?

Back

Labeling slices helps in understanding what each slice represents and provides clarity to the data.

Front

How can you compare two categories in a circle graph?

Back

You can compare by looking at the size of their respective slices.