3.15ab: Graphs and Data

Front

What is a pictograph?

Back

A pictograph is a graph that uses pictures or symbols to represent data. Each picture represents a certain number of items.

Front

How do you read a bar graph?

Back

To read a bar graph, look at the height of the bars to compare different categories. The taller the bar, the more items it represents.

Front

What does it mean when a graph shows 'more' or 'fewer'?

Back

'More' means a greater number of items, while 'fewer' means a smaller number of items compared to another category.

Front

What is the purpose of a data table?

Back

A data table organizes information in rows and columns, making it easier to read and compare different sets of data.

Front

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

Back

The most popular item is represented by the tallest bar or the most pictures in a pictograph.

Front

What does it mean if one color is '5 times as popular' as another?

Back

It means that for every one item of the less popular color, there are five items of the more popular color.

Front

What is a survey?

Back

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

Front

How do you compare data from two different graphs?

Back

To compare data from two graphs, look at the categories and values represented in each graph and analyze their differences.

Front

What is the importance of labeling axes on a graph?

Back

Labeling axes helps to identify what each axis represents, making it easier to understand the data being shown.

Front

What does it mean if a statement about a graph is 'true'?

Back

A true statement accurately reflects the information presented in the graph or data.