Envision Topic 7 Test

Front

What is a frequency table?

Back

A frequency table is a way to organize data that shows how often each value 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

How do you determine the value of each grid line in a bar graph?

Back

The value of each grid line is determined by the scale chosen for the graph, which indicates how much each line represents.

Front

What does it mean when two students have the same number of items in a bar graph?

Back

It means that the height of the bars representing those students is equal, indicating they have the same quantity.

Front

How can you find the total number of items collected from a bar graph?

Back

You can find the total by adding the values represented by the heights of the bars.

Front

What is the difference between the greatest and least values in a data set?

Back

The difference is calculated by subtracting the smallest value from the largest value.

Front

What does each bar in a bar graph represent?

Back

Each bar represents a category of data and its height shows the quantity for that category.

Front

How do you read a bar graph?

Back

You read a bar graph by looking at the height of each bar and comparing it to the scale on the side.

Front

What is the purpose of a key in a graph?

Back

A key explains what the symbols or colors in the graph represent.

Front

What is a data set?

Back

A data set is a collection of related data points or values.