Graphs

Front

What is a graph?

Back

A graph is a visual representation of data that shows relationships between different quantities.

Front

What does a bar graph show?

Back

A bar graph shows data using rectangular bars to compare different categories.

Front

What is the purpose of a double bar graph?

Back

A double bar graph compares two sets of data side by side for easy comparison.

Front

How do you find the difference between two values in a graph?

Back

Subtract the smaller value from the larger value to find the difference.

Front

What does it mean if one bar is taller than another in a bar graph?

Back

It means that the category represented by the taller bar has a greater value than the shorter bar.

Front

What is a survey?

Back

A survey is a method of collecting information from people to gather data about their opinions or preferences.

Front

How can you tell which category is the most popular in a graph?

Back

The category with the tallest bar or the highest point on the graph is the most popular.

Front

What is the total number of people surveyed if a graph shows 145 people?

Back

The total number of people surveyed is 145.

Front

How do you read a bar graph?

Back

Look at the labels on the axes and the height of the bars to understand the data.

Front

What does it mean to 'poll' people?

Back

To poll people means to ask them questions to gather their opinions or preferences.