Envision Topic 7 Test

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 does each grid line represent in a bar graph?

Back

Each grid line represents a specific value, which helps to measure the height of the bars.

Front

How do you find the total number of items represented in a bar graph?

Back

To find the total, add the values of all the bars together.

Front

What is a picture graph?

Back

A picture graph uses images or symbols to represent data, making it easier to understand for younger audiences.

Front

What is a key in a graph?

Back

A key explains what the symbols or colors in the graph represent, helping to interpret the data.

Front

How do you determine the greatest and least values in a set of data?

Back

The greatest value is the highest number, and the least value is the lowest number in the data set.

Front

What is the difference in data?

Back

The difference is found by subtracting the least value from the greatest value.

Front

What is a frequency table?

Back

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

Front

How do you read a bar graph?

Back

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

Front

What is the purpose of using graphs?

Back

Graphs are used to visually represent data, making it easier to compare and analyze information.