Graphs Review (7th Math)

Front

What is a circle graph?

Back

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

Front

What does the percentage in a circle graph represent?

Back

The percentage in a circle graph represents the part of the whole that each category occupies.

Front

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

Back

To find the percentage of a specific category, divide the part (number of items in that category) by the whole (total number of items) and multiply by 100.

Front

What is the purpose of a bar graph?

Back

A bar graph is used to compare different categories of data using rectangular bars.

Front

How do you read a bar graph?

Back

To read a bar graph, look at the height or length of the bars to determine the value of each category.

Front

What is a line graph used for?

Back

A line graph is used to show trends over time by connecting data points with a line.

Front

What does the x-axis represent in a graph?

Back

The x-axis typically represents the independent variable or the categories being measured.

Front

What does the y-axis represent in a graph?

Back

The y-axis typically represents the dependent variable or the values being measured.

Front

How can you estimate values from a graph?

Back

You can estimate values from a graph by visually assessing the position of data points relative to the axes.

Front

What is the total number of people polled if 145 people were surveyed?

Back

The total number of people polled is 145.