Data - Bar Graphs & Frequency Tables

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to show the quantity of each category.

Front

What is a frequency table?

Back

A frequency table is a way to organize data that shows how often each category or value occurs.

Front

How do you read a bar graph?

Back

To read a bar graph, look at the height or length of each bar to determine the quantity it represents for each category.

Front

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

Back

The x-axis typically represents the categories being compared.

Front

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

Back

The y-axis represents the quantity or frequency of each category.

Front

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

Back

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

Front

What is the purpose of a frequency table?

Back

The purpose of a frequency table is to summarize data and make it easier to analyze and interpret.

Front

How can you determine the total number of items from a frequency table?

Back

Add all the frequencies together to find the total number of items.

Front

What is the mode in a set of data?

Back

The mode is the value that appears most frequently in a data set.

Front

How do you identify the most popular category in a bar graph?

Back

The most popular category is the one with the tallest bar in the graph.