Frequency Tables, Bar Graphs, and Pictographs

Front

What is a frequency table?

Back

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

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars to show the quantity of different categories.

Front

What is a pictograph?

Back

A pictograph is a graph that uses pictures or symbols to represent data.

Front

How do you read a frequency table?

Back

You look at the table to see how many times each item appears.

Front

What does the height of a bar in a bar graph represent?

Back

The height of a bar represents the quantity or frequency of that category.

Front

How do you compare data using bar graphs?

Back

You compare the heights of the bars to see which category has more or less.

Front

What is the purpose of a pictograph?

Back

The purpose of a pictograph is to make data easier to understand by using images.

Front

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

Back

You add up all the frequencies in the table.

Front

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

Back

It means that the category represented by the taller bar has a higher frequency.

Front

How do you create a pictograph?

Back

You choose a symbol to represent a certain number of items and use it to show the data.